Merged revisions 81747 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r81747 | michael.foord | 2010-06-05 13:58:39 +0100 (Sat, 05 Jun 2010) | 1 line

  unittest.TestCase.assertDictEqual and assertMultilineEqual provide better default failure messages in the event of long diffs.
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