Recorded merge of revisions 74177 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r74177 | r.david.murray | 2009-07-22 13:42:10 -0400 (Wed, 22 Jul 2009) | 11 lines

  Recorded merge of revisions 74175 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r74175 | r.david.murray | 2009-07-22 13:22:58 -0400 (Wed, 22 Jul 2009) | 4 lines

    Backport of fix for issue 6542: make sure
    test_os.TestInvalidFD.test_closerange does not close any
    valid file descriptors.
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