GNU bug report logs - #192
regexp does not work as documented

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Message #30 received at 192 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Bruno Haible <bruno <at> clisp.org>
Cc: Chong Yidong <cyd <at> stupidchicken.com>, emacs-devel <at> gnu.org,
        koppel <at> ece.lsu.edu, 192 <at> debbugs.gnu.org
Subject: Re: regexp does not work as documented
Date: Tue, 06 May 2008 11:35:01 -0400

> You are right that there is a limit, but it is set to 200000:
> highlight-regexp is aliased to hi-lock-face-buffer, which asks for the
> arguments and calls hi-lock-set-pattern.  hi-lock-set-pattern does little
> more than applying a margin of 100000 and calling re-search-forward.

Actually, font-lock-fontified is most likely set to t, so
hi-lock-set-pattern doesn't call re-sarch-forward at all and only calls
font-lock-fontify-buffer instead.

>   - I originally observed the bug in po-mode (part of GNU gettext), in
>     a function po-find-span-of-entry which essentially only calls
>     re-search-backward and re-search-forward.

Please try and reproduce the problem there and send us a recipe.


        Stefan

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