Merged revisions 68139 via svnmerge from

Merged revisions 68139 via svnmerge from
svn+ssh://svn.python.org/python/branches/py3k

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  r68139 | hirokazu.yamamoto | 2009-01-01 17:03:45 +0100 (Thu, 01 Jan 2009) | 10 lines

  Merged revisions 68134 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r68134 | hirokazu.yamamoto | 2009-01-02 00:45:39 +0900 | 2 lines

    Issue #4797: IOError.filename was not set when _fileio.FileIO failed to open
    file with `str' filename on Windows.
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