Merged revisions 65437,65469,65476,65480,65502,65528,65539,65543,65558,65561-65562,65565,65591,65601,65608,65610,65639 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r65437 | georg.brandl | 2008-08-03 22:28:55 +0000 (Sun, 03 Aug 2008) | 2 lines

  Note the removal of several committers.
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  r65469 | gregory.p.smith | 2008-08-04 01:03:50 +0000 (Mon, 04 Aug 2008) | 3 lines

  issue1606: Add warnings to the subprocess documentation about common pitfalls
  of using pipes that cause deadlocks.
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  r65476 | georg.brandl | 2008-08-04 06:29:36 +0000 (Mon, 04 Aug 2008) | 2 lines

  Fix markup.
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  r65480 | georg.brandl | 2008-08-04 07:31:50 +0000 (Mon, 04 Aug 2008) | 3 lines

  Clarify the meaning of the select() parameters and sync
  names with docstring.
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  r65502 | gregory.p.smith | 2008-08-04 18:34:07 +0000 (Mon, 04 Aug 2008) | 2 lines

  more cleanup ups of the recently added warnings in the subprocess docs.
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  r65528 | brett.cannon | 2008-08-04 21:52:25 +0000 (Mon, 04 Aug 2008) | 4 lines

  Add a note about all the modules/packages changed to silence -3 warnings. More
  changes are needed once some decisions are made, but this is the work up to this
  point.
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  r65539 | andrew.kuchling | 2008-08-05 01:38:08 +0000 (Tue, 05 Aug 2008) | 6 lines

  #3367 from Kristjan Valur Jonsson:
  If a PyTokenizer_FromString() is called with an empty string, the
  tokenizer's line_start member never gets initialized.  Later, it is
  compared with the token pointer 'a' in parsetok.c:193 and that behavior
  can result in undefined behavior.
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  r65543 | andrew.kuchling | 2008-08-05 02:05:23 +0000 (Tue, 05 Aug 2008) | 1 line

  #3367: revert rev. 65539: this change causes test_parser to fail
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  r65558 | georg.brandl | 2008-08-06 17:20:41 +0000 (Wed, 06 Aug 2008) | 2 lines

  Fix longstringitem definition. #3505.
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  r65561 | mark.dickinson | 2008-08-06 20:12:30 +0000 (Wed, 06 Aug 2008) | 2 lines

  Docstring typo
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  r65562 | mark.dickinson | 2008-08-06 21:36:57 +0000 (Wed, 06 Aug 2008) | 2 lines

  Remove duplicate import
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  r65565 | andrew.kuchling | 2008-08-07 01:47:34 +0000 (Thu, 07 Aug 2008) | 1 line

  Add some items
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  r65591 | georg.brandl | 2008-08-08 06:42:20 +0000 (Fri, 08 Aug 2008) | 2 lines

  #3519: callee is an expression too.
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  r65601 | georg.brandl | 2008-08-08 15:34:34 +0000 (Fri, 08 Aug 2008) | 2 lines

  Remove mention of backquotes in the tutorial.
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  r65608 | guido.van.rossum | 2008-08-09 14:55:34 +0000 (Sat, 09 Aug 2008) | 2 lines

  Add news item about _sre.compile() re-bytecode validator.
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  r65610 | antoine.pitrou | 2008-08-09 17:27:23 +0000 (Sat, 09 Aug 2008) | 3 lines

  move NEWS entry to the appropriate section (oops!)
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  r65639 | georg.brandl | 2008-08-11 10:27:31 +0000 (Mon, 11 Aug 2008) | 2 lines

  #3540: fix exception name.
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1 files changed, 23 insertions, 5 deletions

diff --git a/Doc/whatsnew/2.6.rst b/Doc/whatsnew/2.6.rst
index 9959ecd..c0ecf01 100644
--- a/Doc/whatsnew/2.6.rst
+++ b/Doc/whatsnew/2.6.rst
@@ -785,7 +785,7 @@ documentation for a :ref:`complete list <formatstrings>`; here's a sample::
         '%' - Percentage. Multiplies the number by 100 and displays
               in fixed ('f') format, followed by a percent sign.
 
-Classes and types can define a __format__ method to control how they're
+Classes and types can define a :meth:`__format__` method to control how they're
 formatted.  It receives a single argument, the format specifier::
 
    def __format__(self, format_spec):
@@ -1515,10 +1515,22 @@ Here are all of the changes that Python 2.6 makes to the core Python language.
   :func:`isnan`, return true if their floating-point argument is
   infinite or Not A Number.  (:issue:`1640`)
 
-  The float type has a new instance method :meth:`float.hex` and a
-  corresponding new class method :meth:`float.fromhex` to convert
-  floating-point numbers to and from hexadecimal strings,
-  respectively.  (:issue:`3008`)
+  Conversion functions were added to convert floating-point numbers
+  into hexadecimal strings.  (:issue:`3008`) These functions lets you
+  convert floats to and from a string representation without
+  introducing rounding errors from the conversion between decimal and
+  binary.  Floats have a :meth:`hex` method that returns a string
+  representation, and the ``float.fromhex()`` method converts a string
+  back into a number::
+
+      >>> a = 3.75
+      >>> a.hex()
+      '0x1.e000000000000p+1'
+      >>> float.fromhex('0x1.e000000000000p+1')
+      3.75
+      >>> b=1./3
+      >>> b.hex()
+      '0x1.5555555555555p-2'
 
 * The :mod:`math` module has a number of new functions, and the existing
   functions have been improved to give more consistent behaviour
@@ -1633,6 +1645,12 @@ Optimizations
   (Original optimization implemented by Armin Rigo, updated for
   Python 2.6 by Kevin Jacobs; :issue:`1700288`.)
 
+* Function calls that use keyword arguments
+  are significantly faster thanks to a patch that does a quick pointer
+  comparison, usually saving the time of a full string comparison.
+  (Contributed by Raymond Hettinger, after an initial implementation by 
+  Antoine Pitrou; :issue:`1819`.)
+
 * All of the functions in the :mod:`struct` module have been rewritten in
   C, thanks to work at the Need For Speed sprint.
   (Contributed by Raymond Hettinger.)