Manual merge of r67639 from py3k branch:

Manual merge of r67639 from py3k branch:

Merged revisions 67463,67572,67576,67628 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r67463 | skip.montanaro | 2008-12-01 02:55:22 +0100 (Mon, 01 Dec 2008) | 1 line

  typo in comment
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  r67572 | georg.brandl | 2008-12-05 10:23:14 +0100 (Fri, 05 Dec 2008) | 2 lines

  #4458: recognize "-" as an argument, not a malformed option in gnu_getopt().
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  r67576 | georg.brandl | 2008-12-05 13:09:41 +0100 (Fri, 05 Dec 2008) | 2 lines

  #4529: fix parser's validation for try-except-finally statements.
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  r67628 | skip.montanaro | 2008-12-07 03:16:00 +0100 (Sun, 07 Dec 2008) | 1 line

  muffed the default case
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