Merged revisions 78989 via svnmerge from

Merged revisions 78989 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r78989 | matthias.klose | 2010-03-16 11:51:28 +0100 (Tue, 16 Mar 2010) | 10 lines

  Merged revisions 78988 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r78988 | matthias.klose | 2010-03-16 11:48:52 +0100 (Tue, 16 Mar 2010) | 3 lines

    - Issue #4961: Inconsistent/wrong result of askyesno function in tkMessageBox
      with Tcl/Tk-8.5.
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