Merged revisions 59105-59106 via svnmerge from

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

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  r59106 | guido.van.rossum | 2007-11-21 16:55:51 -0800 (Wed, 21 Nov 2007) | 3 lines

  Backport of _abccoll.py by Benjamin Arangueren, issue 1383.
  With some changes of my own thrown in (e.g. backport of r58107).
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