Blocked revisions 63965,63967 via svnmerge

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  r63965 | benjamin.peterson | 2008-06-05 17:39:34 -0500 (Thu, 05 Jun 2008) | 2 lines

  use the more idomatic while True
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  r63967 | benjamin.peterson | 2008-06-05 18:02:33 -0500 (Thu, 05 Jun 2008) | 2 lines

  revert 63965 for preformance reasons
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