GNU bug report logs - #56818
28.1; c-mode font-lock issues in Emacs 28

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Alan Mackenzie <acm <at> muc.de>
Cc: sacks <at> ucar.edu, 56818 <at> debbugs.gnu.org
Subject: bug#56818: 28.1; c-mode font-lock issues in Emacs 28
Date: Fri, 29 Jul 2022 21:11:10 +0300

> Date: Fri, 29 Jul 2022 17:44:58 +0000
> Cc: 56818 <at> debbugs.gnu.org
> From: Alan Mackenzie <acm <at> muc.de>
> 
> diff -r 9c649274b259 cc-engine.el
> --- a/cc-engine.el	Tue Jul 26 20:08:39 2022 +0000
> +++ b/cc-engine.el	Fri Jul 29 17:25:16 2022 +0000
> @@ -1679,9 +1679,13 @@
>  Return the result of `forward-comment' if it gets called, nil otherwise."
>    `(if (not comment-end-can-be-escaped)
>         (forward-comment -1)
> -     (when (and (< (skip-syntax-backward " >") 0)
> -		(eq (char-after) ?\n))
> -       (forward-char))
> +     (let ((dist (skip-syntax-backward " >")))
> +       (when (and
> +	      (< dist 0)
> +	      (progn
> +		(skip-syntax-forward " " (- (point) dist 1))
> +		(eq (char-after) ?\n)))
> +	 (forward-char)))
>       (cond
>        ((and (eq (char-before) ?\n)
>  	    (eq (char-before (1- (point))) ?\\))
> 
> 
> 
> 
> > Alan, this seems to be a regression in Emacs 28, so could you please
> > look into it?
> 
> Eli, Do I understand you want the fix in the release branch?

Yes, please.

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