Merged revisions 62774-62775,62785,62787-62788 via svnmerge from

Merged revisions 62774-62775,62785,62787-62788 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r62774 | georg.brandl | 2008-05-06 19:11:42 +0200 (Tue, 06 May 2008) | 2 lines

  #2773: fix description of 'g' and 'G' formatting spec.
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  r62775 | georg.brandl | 2008-05-06 19:20:54 +0200 (Tue, 06 May 2008) | 2 lines

  > != (!<).
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  r62785 | benjamin.peterson | 2008-05-07 00:18:11 +0200 (Wed, 07 May 2008) | 2 lines

  Fix logic error in Python/_warnings.c and add a test to verify
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  r62787 | benjamin.peterson | 2008-05-07 00:31:52 +0200 (Wed, 07 May 2008) | 2 lines

  Make the Python implementation of warnings compatible with the C implementation regarding non-callable showwarning
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  r62788 | christian.heimes | 2008-05-07 00:41:46 +0200 (Wed, 07 May 2008) | 1 line

  Implemented PEP 370
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