Merged revisions 71633 via svnmerge from

Merged revisions 71633 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r71633 | r.david.murray | 2009-04-15 18:35:15 -0400 (Wed, 15 Apr 2009) | 11 lines

  Merged revisions 71631 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r71631 | r.david.murray | 2009-04-15 18:33:07 -0400 (Wed, 15 Apr 2009) | 4 lines

    Fix for issue3440: add warning to subprocess discussion of
    env parameter that on Windows SystemRoot is required in order
    to run side-by-side assemblies.
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