Re: Sparse key maps garbage?

["Lennart Borgman (gmail)" <lennart.borgman@gmail.com>]

Stefan Monnier wrote:
>>> Depends how you define "un define a key".  Binding it to nil is such
>>> a way.  Binding it to `undefined' is another.  Removing the binding from
>>> the keymap is yet another (one that does not come with a ready-to-use
>>> function for it).
> 
>> I am thinking of the last case. Shouldn't there be one for this case?
>> Using exactly the same parameters as define-key (minus the binding)?
> 
> What do you need it for?


I have no need for it now. It just came to my mind because Xah asked how
to undow a (define-key map [remap ...] ...) binding.

You can do that of course, but having an undefine-key make the data
abstraction (is it called so?) better.