Subject: Re: 24.0.50; define-key error message for non-prefix M-[char]

From: Don March <[email-masked]>
Date: Sun, 3 Jul 2011 12:24:03 -0400

I just sent an email to [email-masked].  I'll report back when the
process is complete.

On Sun, Jul 3, 2011 at 9:39 AM, Lars Magne Ingebrigtsen <[email-masked]> wrote:
> Don March <[email-masked]> writes:
>
>> Typing and evaluating the following code in the scratch
>> buffer results in an (appropriate) error, but with an incorrect
>> message:
>>
>> (setq new-kmap (make-sparse-keymap))
>> (define-key new-kmap [?a 27] 'command)
>> (define-key new-kmap [?a ?\M-x] 'command)
>> ;; Debugger entered--Lisp error:
>> ;;   (error "Key sequence a M-x starts with non-prefix key a")
>> ;; (should be:
>> ;;          "Key sequence a M-x starts with non-prefix key a ESC")
>>
>> The code in keymap.c loops over the characters in the key sequence and
>> says to report everything before the current character as the
>> non-prefix key.  But that misses the case when M-x is converted into
>> [27 ?x] and it's the `27' part that causes the error.
>
> Your patch for this bug looks correct, but it's more than 10 lines long,
> so the FSF needs copyright assignment papers for the code.
>
> Do you have such paperwork on file with the FSF?
>
> --
> (domestic pets only, the antidote for overdose, milk.)
>  bloggy blog http://lars.ingebrigtsen.no/
>