Blocked revisions 77332 via svnmerge

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  r77332 | georg.brandl | 2010-01-06 19:02:16 +0100 (Mi, 06 Jan 2010) | 7 lines

  #5991: let completion for the "help" command include help topics.

  This also simplifies the Cmd.get_names() method implementation; it was written
  at a time where dir() didn't consider base class attributes.
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