Merged revisions 73415,73417-73418 via svnmerge from

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

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  r73415 | benjamin.peterson | 2009-06-13 09:25:08 -0500 (Sat, 13 Jun 2009) | 1 line

  use 'rc' for release candidates for consistency
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  r73417 | benjamin.peterson | 2009-06-13 10:42:23 -0500 (Sat, 13 Jun 2009) | 1 line

  special case release candidates
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  r73418 | benjamin.peterson | 2009-06-13 10:48:04 -0500 (Sat, 13 Jun 2009) | 1 line

  handle different rc format
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