Hans Aberg writes:
> >(or according to Hans - I need more convincing):
> > \hierarchical/path/to/module/perhaps_with
> > _underscores/macro_name:argspec:
> The only point with a terminating ":" would be to make it easier
> to know where the argspec ends if one processes the command
> name. This could be done otherwise by a convention that the argspec
> can only occupy one letter, or if that does not give sufficiently
> many combinations, that if the first letter is uppercase it is a
> two letter argspec, or something.
Hmm . . . at this stage let's say that an argspec can only contain
A-Z and a-z. Then the argspec is the longest contiguous sequence of
letters after the colon - easily specified with a regular expression.