Merged revisions 87184-87186 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r87184 | antoine.pitrou | 2010-12-12 19:09:53 +0100 (dim., 12 déc. 2010) | 3 lines

  SET_LINENO was removed in 2.3
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  r87185 | antoine.pitrou | 2010-12-12 19:12:40 +0100 (dim., 12 déc. 2010) | 3 lines

  Remove reference to stuff which is already obsolete in 2.x.
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  r87186 | antoine.pitrou | 2010-12-12 19:14:34 +0100 (dim., 12 déc. 2010) | 3 lines

  Obsolete aliases needn't be documented
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