Merged revisions 81490 via svnmerge from

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

........
  r81490 | steven.bethard | 2010-05-23 19:38:00 -0700 (Sun, 23 May 2010) | 1 line

  argparse documentation updates (including updates to optparse and getopt documentation that were promised in the PEP)
........