Remove meaning of -ttt, but still accept -t option on cmdline for compatibility.

5 files changed, 26 insertions, 9 deletions

diff --git a/Doc/c-api/unicode.rst b/Doc/c-api/unicode.rst
index 17c25d5..07b215d 100644
--- a/Doc/c-api/unicode.rst
+++ b/Doc/c-api/unicode.rst
@@ -144,6 +144,13 @@ the Python configuration.
 
    Return 1 or 0 depending on whether *ch* is an alphanumeric character.
 
+.. cfunction:: int Py_UNICODE_ISPRINTABLE(Py_UNICODE ch)
+
+   Return 1 or 0 depending on whether *ch* is a printable character.
+   Characters defined in the Unicode character database as "Other"
+   or "Separator" other than ASCII space(0x20) are not considered
+   printable.
+
 These APIs can be used for fast direct character conversions:
 
 
@@ -228,6 +235,9 @@ APIs:
    +===================+=====================+================================+
    | :attr:`%%`        | *n/a*               | The literal % character.       |
    +-------------------+---------------------+--------------------------------+
+   | :attr:`%a`        | PyObject\*          | The result of calling          |
+   |                   |                     | :func:`ascii`.                 |
+   +-------------------+---------------------+--------------------------------+
    | :attr:`%c`        | int                 | A single character,            |
    |                   |                     | represented as an C int.       |
    +-------------------+---------------------+--------------------------------+
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index 875eea0..a3c456c 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -91,6 +91,14 @@ are always available.  They are listed here in alphabetical order.
           return False
 
 
+.. function:: ascii(object)
+
+   As :func:`repr`, return a string containing a printable
+   representation of an object. But unlike :func:`repr`, the non-ASCII
+   characters in the string returned by :func:`ascii`() are hex-escaped
+   to generate a same string as :func:`repr` in Python 2.
+
+
 .. function:: bin(x)
 
    Convert an integer number to a binary string. The result is a valid Python
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index 09549ad..bccc02a 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -774,6 +774,14 @@ functions based on regular expressions.
    least one cased character, false otherwise.
 
 
+.. method:: str.isprintable()
+
+   Return true if all characters in the string are printable and there is at
+   least one character, false otherwise. Characters defined in the Unicode 
+   character database as "Other" or "Separator" other than ASCII space(0x20) are 
+   not considered printable.
+
+
 .. method:: str.isspace()
 
    Return true if there are only whitespace characters in the string and there is
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index 0929f0e..b354603 100644
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -231,8 +231,6 @@ always available.
    +------------------------------+------------------------------------------+
    | :const:`ignore_environment`  | -E                                       |
    +------------------------------+------------------------------------------+
-   | :const:`tabcheck`            | -t or -tt                                |
-   +------------------------------+------------------------------------------+
    | :const:`verbose`             | -v                                       |
    +------------------------------+------------------------------------------+
    | :const:`unicode`             | -U                                       |
diff --git a/Doc/using/cmdline.rst b/Doc/using/cmdline.rst
index a6a6ecf..5100c21 100644
--- a/Doc/using/cmdline.rst
+++ b/Doc/using/cmdline.rst
@@ -222,13 +222,6 @@ Miscellaneous options
    manipulations of :data:`sys.path` that it entails.
 
 
-.. cmdoption:: -t
-
-   Issue a warning when a source file mixes tabs and spaces for indentation in a
-   way that makes it depend on the worth of a tab expressed in spaces.  Issue an
-   error when the option is given twice (:option:`-tt`).
-
-
 .. cmdoption:: -u
    
    Force stdin, stdout and stderr to be totally unbuffered.  On systems where it