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Re:Challenge: Implement CLI interface like that? by halst on Sunday June 17, 2012 @01:23PM (#4123338)
You can just change the second line to:

    naval_fate ship move <name> <x> <y> [--speed=<kn>]
to eliminate all the problems you named. Those problems are about specific interface, not docopt.
Re:Challenge: Implement CLI interface like that? by phaker on Sunday June 17, 2012 @05:06PM (#4123837)
As I said I was nitpicking. :)