Blocked revisions 82073 via svnmerge

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  r82073 | alexander.belopolsky | 2010-06-18 14:44:37 -0400 (Fri, 18 Jun 2010) | 4 lines

  Issue #6641: Original commit for this issue, r82053, introduced a
  regression making datetime subclass' strptime return datetime rather
  than subclass instances.  Fixed this bug and a few typos.
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