Merged revisions 69466,69480 via svnmerge from

Merged revisions 69466,69480 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r69466 | raymond.hettinger | 2009-02-09 12:39:41 -0600 (Mon, 09 Feb 2009) | 3 lines

  Issue 5171: itertools.product docstring missing 'repeat' argument
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  r69480 | raymond.hettinger | 2009-02-09 19:24:05 -0600 (Mon, 09 Feb 2009) | 1 line

  Issue 1818: collections.namedtuple() to support automatic renaming of invalid fieldnames.
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