Merged revisions 83124 via svnmerge from

Merged revisions 83124 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/release27-maint

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  r83124 | ronald.oussoren | 2010-07-24 10:46:41 +0100 (Sat, 24 Jul 2010) | 15 lines

  Merged revisions 83088 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/branches/py3k

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    r83088 | ronald.oussoren | 2010-07-23 14:53:51 +0100 (Fri, 23 Jul 2010) | 8 lines

    This fixes issue7900 by adding code that deals
    with the fact that getgroups(2) might return
    more that MAX_GROUPS on OSX.

    See the issue (and python-dev archives) for the
    gory details. Summarized: OSX behaves rather oddly
    and Apple says this is intentional.
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