FEATURE REQ: brz 0.7 add -h as synonym for --help

[Jari Aalto]

A sample test_

       $ bzr --help
       Bazaar-NG -- a free distributed version-control tool
       ...

Goog, Good.

      $  bzr -h
      bzr: ERROR: unknown command '-h'

Ahem? It would be logical to use -h for shorthand help.

Jari