Blocked revisions 72817 via svnmerge

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  r72817 | philip.jenvey | 2009-05-21 22:35:32 -0700 (Thu, 21 May 2009) | 4 lines

  don't use subprocess.call with PIPEs as the child can fill the pipe buf and
  deadlock. add a warning to subprocess docs about this, similar to Popen.wait's.
  refs http://bugs.jython.org/issue1351
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