Re: Bug with key echo.

[David Kastrup <dak@gnu.org>]

Richard Stallman <rms@gnu.org> writes:

>     Execute the following two commands.
>
>     (define-key ctl-x-map "\C-p" nil)
>     (define-key ctl-x-map "\C-p\C-p" (lambda nil (interactive) (y-or-n-p "Woozle ")))
>
>     Now type C-x C-p and wait until the key echo appears.  Then type C-p
>     again.
>
> Does this fix it?
>
> *** xdisp.c	29 Jan 2005 11:51:48 -0500	1.974
> --- xdisp.c	01 Feb 2005 05:44:57 -0500	
> ***************
> *** 8085,8090 ****
> --- 8085,8091 ----
>   
>     /* Last displayed message is now the current message.  */
>     echo_area_buffer[1] = echo_area_buffer[0];
> +   echo_message_buffer = Qnil;
>   
>     /* Prevent redisplay optimization in redisplay_internal by resetting
>        this_line_start_pos.  This is done because the mini-buffer now

It appears to do so for the real-world case from which I distilled the
above bug recipe.  I have not tested thoroughly for side effects,
though.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum