Merged revisions 85142 via svnmerge from

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

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  r85142 | r.david.murray | 2010-10-01 11:40:20 -0400 (Fri, 01 Oct 2010) | 5 lines

  #10004: in Q encoded word ignore '=xx' when xx is not valid hex.

  Bug report and fix by Thomas Guettler.
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