Closes issue 3776.
Review by Nick Coghlan.

Make it more obvious that warnings.catch_warnings() and its arguments should be considered keyword-only.

Reviewed by Amaury Forgeot d'Arc.

re-implemented to use warnings.catch_warnings() and had its API improved.

Closes issue #3768.
Code review by Benjamin Peterson.

to the urlparse one.  Added a PendingDeprecationWarning in the old
module, it will be deprecated in the future.  Docs and tests updated.

non-ascii characters and Unicode in setup.py meta-data.

to get the correct completion_matches function to avoid crashes on
x86_64 (amd64).

I don't have OpenBSD to test myself.  I tested that it does not break
anything on linux.  It is simple.

svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

........
  r66176 | benjamin.peterson | 2008-09-02 21:04:06 -0500 (Tue, 02 Sep 2008) | 1 line

  fix typo
........

svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

........
  r66173 | benjamin.peterson | 2008-09-02 18:57:48 -0500 (Tue, 02 Sep 2008) | 8 lines

  A little 2to3 refactoring #3637

  This moves command line logic from refactor.py to a new file called
  main.py.  RefactoringTool now merely deals with the actual fixers and
  refactoring; options processing for example is abstracted out.

  This patch was reviewed by Gregory P. Smith.
........

from the same python instance, some environment variables (LIB, INCLUDE)
would grow without limit.

Tested with these statements:
    distutils.ccompiler.new_compiler().initialize()
    print os.environ['LIB']
But I don't know how to turn them into reliable unit tests.

I don't have a working VS7.1, but VS2005 can automatically convert
the project and build a working python interpreter.

Reviewed by Amaury Forgeot d'Arc

Closes #3719.

non-integer floating point number.

library targets in the Makefile.

catch_warnings(), and clean up the API.

While expanding the test suite, a bug was found where a warning about the
'line' argument to showwarning() was not letting functions with '*args' go
without a warning.

Closes issue 3602.
Code review by Benjamin Peterson.

Reviewer: Benjamin Peterson

a unicode argument.

will backport.