Blocked revisions 79823 via svnmerge

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  r79823 | mark.dickinson | 2010-04-06 11:29:17 +0100 (Tue, 06 Apr 2010) | 9 lines

  Merged revisions 79809 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r79809 | mark.dickinson | 2010-04-05 19:54:51 +0100 (Mon, 05 Apr 2010) | 1 line

    Use a better NaN test in _Py_HashDouble as well.
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