Code review comment for lp:~ian-clatworthy/bzr/cmds-in-userref-585667

> Yes, I'd prefer to have the only implicit-registration code path be
> 'please run a bzr command'. I'd just call the existing method from the
> doc generators - they're in tree, there is absolutely no reason they
> shouldn't call the _ function as is.

I think it is reasonable for there to be a command that says "tell me about all the commands there are" - this may be slow if it has to go out and find them.