Blocked revisions 61478 via svnmerge

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  r61478 | guido.van.rossum | 2008-03-17 22:15:05 -0500 (Mon, 17 Mar 2008) | 4 lines

  Clean up the Py3k warnings for non-BaseException-subclasses a bit.  We
  now don't warn for some corner cases that deserve a warning, rather
  than warning double or incorrectly for some other corner cases.
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