[darcs-devel] darcs patch: Fix supercommand --help (issue282). (and 3 more)

[Eric Kow]

Note that it's not entirely clear if the last 3 patches are a good idea.

It's just my irritation at the redundancy between the disambiguate_command code
and the run_maybe_sub_command, which I found to be nonobvious.  As you can see
in my regression, there reason it was nonobvious was because the behaviour you
want is subtle.  So it's well possible that my code, aside from being
potentially misguided in the first place, has also introduced some other
unforseen regression.

Sun Jul 15 19:08:43 CEST 2007  Eric Kow <eric.kow at loria.fr>
  * Fix supercommand --help (issue282).

Sun Jul 15 22:01:19 CEST 2007  Eric Kow <eric.kow at loria.fr>
  * Rewrite disambiguate_commands.
  
  This should make it more explicit what is going on.

Sun Jul 15 22:01:40 CEST 2007  Eric Kow <eric.kow at loria.fr>
  * Refactor parsing of command line arguments.

Sun Jul 15 22:32:56 CEST 2007  Eric Kow <eric.kow at loria.fr>
  * Distinguish between strict and permissive disambiguation (regression).
  
  Permissive disambiguation lets you handle the case where you supply a
  supercommand and a flag (i.e. not a subcommand).

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