Merged revisions 81994 via svnmerge from

Merged revisions 81994 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r81994 | mark.dickinson | 2010-06-15 09:42:37 +0100 (Tue, 15 Jun 2010) | 10 lines

  Merged revisions 81992 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r81992 | mark.dickinson | 2010-06-15 09:33:03 +0100 (Tue, 15 Jun 2010) | 3 lines

    Issue #8469:  Further clarifications and improvements to struct module
    documentation.  Thanks Mads Kiilerich.
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