GNU bug report logs - #16617
24.3.50; REGRESSION: `C-q ?' pops up annoying *Char Help* buffer

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From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Leo Liu <sdl.web <at> gmail.com>
Cc: 16617 <at> debbugs.gnu.org, Drew Adams <drew.adams <at> oracle.com>
Subject: bug#16617: 24.3.50; REGRESSION: `C-q ?' pops up annoying *Char Help* buffer
Date: Thu, 19 Jun 2014 11:43:20 -0400

> Can I fix it in emacs-24 along these lines? Thanks.   - Leo

Yes, please.


        Stefan


> === modified file 'lisp/simple.el'
> --- lisp/simple.el	2014-04-02 15:14:50 +0000
> +++ lisp/simple.el	2014-04-03 13:31:12 +0000
> @@ -658,11 +658,17 @@
>  The optional argument PROMPT specifies a string to use to prompt the user.
>  The variable `read-quoted-char-radix' controls which radix to use
>  for numeric input."
> -  (let ((message-log-max nil) done (first t) (code 0) translated)
> +  (let ((message-log-max nil)
> +	(help-events (delq nil (mapcar (lambda (c) (unless (characterp c) c))
> +				       help-event-list)))
> +	done (first t) (code 0) translated)
>      (while (not done)
>        (let ((inhibit-quit first)
> -	    ;; Don't let C-h get the help message--only help function keys.
> +	    ;; Don't let C-h or other help chars get the help
> +	    ;; message--only help function keys. See bug#16617.
>  	    (help-char nil)
> +	    (help-event-list help-events)
>  	    (help-form
>  	     "Type the special character you want to use,
>  or the octal character code.

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