Merged revisions 82455,82457,82459 via svnmerge from

Merged revisions 82455,82457,82459 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r82455 | eric.smith | 2010-07-03 00:44:16 +0300 (Sat, 03 Jul 2010) | 1 line

  Moved period outside paren, where it belongs.
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  r82457 | ezio.melotti | 2010-07-03 01:17:29 +0300 (Sat, 03 Jul 2010) | 1 line

  #9139: Add examples for str.format().
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  r82459 | ezio.melotti | 2010-07-03 01:50:39 +0300 (Sat, 03 Jul 2010) | 1 line

  #9139: the thousands separator is new in 2.7.  Also add a missing variable in the example.
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