Re: The new keymap functions

[Juri Linkov]

> keymap-set
> keymap-local-set
> keymap-global-set
> keymap-local-unset
> keymap-global-unset
> keymap-lookup
>
> define-keymap and defvar-keymap keep their names, but use the
> `kbd-valid-p' syntax.

Whereas the name `defvar-keymap' is nice since it's a top-level macro,
`define-keymap' looks out of place in the same group of functions.
And indeed, such mismatch looks odd:

  (define-keymap "C-c C-c" #'quit-buffer)
  (keymap-set map "C-c C-c" #'quit-buffer)

What about renaming it to `keymap-define'?  Then:

  (keymap-define "C-c C-c" #'quit-buffer)
  (keymap-set map "C-c C-c" #'quit-buffer)