Blocked revisions 78388-78389 via svnmerge

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  r78388 | r.david.murray | 2010-02-23 17:57:58 -0500 (Tue, 23 Feb 2010) | 11 lines

  Merged revisions 78384 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r78384 | dirkjan.ochtman | 2010-02-23 16:09:52 -0500 (Tue, 23 Feb 2010) | 4 lines

    Fix #1537721: add writeheader() method to csv.DictWriter.

    Reviewed by skip.montanaro and thomas.wouters.
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  r78389 | r.david.murray | 2010-02-23 18:00:34 -0500 (Tue, 23 Feb 2010) | 2 lines

  Fix version added for csv writeheader.
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