mention PYTHONWARNINGS env. var; tweak some examples for readability.

And with this commit, the "What's New" is done... except for a
complete read-through to polish the text, and fixing any reported errors,
but those tasks can easily wait until after beta2.

Documenting test discovery from package name and potential problems with test discovery importing tests from the wrong location. Issue 7780 and issue 8547.

RETSIGTYPE is always void (issue #8510).
pyconfig.h: Regenerate

only whitespace changes in generated configure (diff -uEwB).

conforms to platforms standars on OSX when
using a python framework.

the OSX 10.4u SDK on MacOSX 10.6 by honoring the specified
SDK when looking for files.

Issue 8547 - detecting and reporting that modules have been imported from the wrong location under test discovery.

Merged revisions 79911,79916-79917,80018,80418,80572-80573,80635-80639,80668,80922 via svnmerge from
svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

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  r79911 | benjamin.peterson | 2010-04-09 15:38:53 -0500 (Fri, 09 Apr 2010) | 1 line

  use absolute import
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  r79916 | benjamin.peterson | 2010-04-09 16:05:21 -0500 (Fri, 09 Apr 2010) | 1 line

  generalize detection of __future__ imports and attach them to the tree
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  r79917 | benjamin.peterson | 2010-04-09 16:11:44 -0500 (Fri, 09 Apr 2010) | 1 line

  don't try to 'fix' relative imports when absolute_import is enabled #8858
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  r80018 | benjamin.peterson | 2010-04-12 16:12:12 -0500 (Mon, 12 Apr 2010) | 4 lines

  prevent diffs from being mangled is multiprocess mode #6409

  Patch by George Boutsioukis.
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  r80418 | benjamin.peterson | 2010-04-23 16:00:03 -0500 (Fri, 23 Apr 2010) | 1 line

  remove unhelpful description
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  r80572 | benjamin.peterson | 2010-04-27 20:33:54 -0500 (Tue, 27 Apr 2010) | 1 line

  use unicode literals
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  r80573 | jeffrey.yasskin | 2010-04-27 23:08:27 -0500 (Tue, 27 Apr 2010) | 6 lines

  Don't transform imports that are already relative.  2to3 turned
    from . import refactor
  into
    from .. import refactor
  which broke the transformation of 2to3 itself.
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  r80635 | benjamin.peterson | 2010-04-29 16:02:23 -0500 (Thu, 29 Apr 2010) | 1 line

  remove imports
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  r80636 | benjamin.peterson | 2010-04-29 16:02:41 -0500 (Thu, 29 Apr 2010) | 1 line

  unicode literal
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  r80637 | benjamin.peterson | 2010-04-29 16:03:42 -0500 (Thu, 29 Apr 2010) | 1 line

  must pass a string to Number
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  r80638 | benjamin.peterson | 2010-04-29 16:05:34 -0500 (Thu, 29 Apr 2010) | 1 line

  unicode literals
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  r80639 | benjamin.peterson | 2010-04-29 16:06:09 -0500 (Thu, 29 Apr 2010) | 1 line

  pass string to Number
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  r80668 | jeffrey.yasskin | 2010-04-30 18:02:47 -0500 (Fri, 30 Apr 2010) | 4 lines

  Make 2to3 run under Python 2.5 so that the benchmark suite at
  http://hg.python.org/benchmarks/ can use it and still run on implementations
  that haven't gotten to 2.6 yet.  Fixes issue 8566.
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  r80922 | benjamin.peterson | 2010-05-07 11:06:25 -0500 (Fri, 07 May 2010) | 1 line

  prevent xrange transformation from wrapping range calls it produces in list
........

Issue 8547 - detecting and reporting that modules have been imported from the wrong location under test discovery.

chunk larger than 1GB with the zlib module's compressor and decompressor
objects.

adds handle_error(self):raise to test modules using asyncore to provide a clearer error message in case something goes wrong

Fix asyncore issues 8573 and 8483: _strerror might throw ValueError; asyncore.__getattr__ cheap inheritance caused confusing error messages when accessing undefined class attributes; added an alias for __str__ which now is used as a fallback for __repr__

out as it is currently unneeded.

This effectively adds back in the line removed in r80809 as a comment.

Describe ElementTree 1.3; rearrange new-module sections; describe dict views as sets; small edits and items