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bug#54161: 27.2; `define-minor-mode' with alist of key bindings
From: |
Gilles |
Subject: |
bug#54161: 27.2; `define-minor-mode' with alist of key bindings |
Date: |
Fri, 25 Feb 2022 22:41:05 +0100 |
Hi Drew,
I don't understand the documentation in the same way. I don't think
the documentation is wrong, but it could always use a few examples.
> > where each KEY-SEQUENCE and DEFINITION are arguments suitable for
> > passing to 'define-key'.
> I think that's the case in these examples, no? Both (kbd "C-o") and
> "\C-o" are suitable args for `define-key'.
The Lisp object (kbd "C-o") (a two-element list) is not a suitable
argument for define-key. The Lisp *expression* (kbd "C-o") *returns* a
suitable argument for define-key.
(define-minor-mode titi-mode
"TITI MODE" nil nil '(((kbd "C-o") . forward-char)))
(define-minor-mode tata-mode
"TATA MODE" nil nil '(("\\C-o" . forward-char)))
I would in fact expect titi to result in an error, since a list whose
car is the symbol kbd is not a valid key. But this seems to work, as I
would expect it to:
(define-minor-mode tutu-mode
"TUTU MODE" nil nil `((,(kbd "C-o") . forward-char)))
As for tata, it binds the four-character sequence {backslash, capital
C, dash, lowercase o}. To bind C-o, you need to pass the one-character
string "\C-o".
--
Gilles