Blocked revisions 78403 via svnmerge

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  r78403 | r.david.murray | 2010-02-23 21:08:28 -0500 (Tue, 23 Feb 2010) | 3 lines

  The primary copy of lib2to3 is not trunk, so the lib2to3 change
  should not have been included in the -OO patch, back it out.
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