Merged revisions 75866-75867 via svnmerge from

Merged revisions 75866-75867 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r75866 | georg.brandl | 2009-10-27 21:52:02 +0100 (Di, 27 Okt 2009) | 1 line

  Add a regrtest option to re-run in verbose mode immediately after a test fails, and use that option on the buildbots.
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  r75867 | georg.brandl | 2009-10-27 21:55:44 +0100 (Di, 27 Okt 2009) | 1 line

  Reformat the regrtest command-line option help and group the options into sections.
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