GNU bug report logs - #14303
24.3; Bug in comment-search-backward

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Package: emacs;

Reported by: Leo Liu <sdl.web <at> gmail.com>

Date: Mon, 29 Apr 2013 13:29:02 UTC

Severity: normal

Found in version 24.3

Done: Leo Liu <sdl.web <at> gmail.com>

Bug is archived. No further changes may be made.

Full log

Message #47 received at 14303 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
To: Leo Liu <sdl.web <at> gmail.com>
Cc: 14303 <at> debbugs.gnu.org
Subject: Re: bug#14303: 24.3; Bug in comment-search-backward
Date: Fri, 17 May 2013 09:26:37 -0400

> +    (while (and (not found) (re-search-backward comment-start-skip limit t))
> +      (setq end (match-end 0))
> +      (unless (and comment-use-syntax (nth 8 (syntax-ppss)))
> +	(setq found t)))

BTW, a useful idiom for such loops is the "empty body" while loop.

      (while (and (re-search-backward comment-start-skip limit t)
                  (progn
                    (setq end (match-end 0))
                    (and comment-use-syntax (nth 8 (syntax-ppss))))))

-- Stefan
This bug report was last modified 12 years and 7 days ago.

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