Merged revisions 75133 via svnmerge from

Merged revisions 75133 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r75133 | r.david.murray | 2009-09-29 10:01:08 -0400 (Tue, 29 Sep 2009) | 12 lines

  Merged revisions 75111 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r75111 | r.david.murray | 2009-09-28 12:57:45 -0400 (Mon, 28 Sep 2009) | 5 lines

    Prevent test_bad_address failure when a domain in the dns search
    path implements a '*' default rule.  Also update comment with
    a more complete explanation of the difficulties inherent in
    the test.
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