From: Richard Stallman <rms@gnu.org>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: danielrichardgrayson@gmail.com, 55744@debbugs.gnu.org
Subject: bug#55744: infinite loop
Date: Mon, 06 Jun 2022 18:15:06 -0400 [thread overview]
Message-ID: <E1nyL06-0000RB-AP@fencepost.gnu.org> (raw)
In-Reply-To: <87a6aw4ct3.fsf@gnus.org> (message from Lars Ingebrigtsen on Wed, 01 Jun 2022 17:35:04 +0200)
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> That's a regexp with a lot of backtracking, I think (i.e., elements that
> can be matched both by the ?'s as well as the two *'s). So matching
> this will be slow, which results in the hangs you're seeing when Emacs
> is trying to match that to the text in the buffer.
Would it make sense to say more about this point in the Emacs Lisp Manual
where it describes regexps?
--
Dr Richard Stallman (https://stallman.org)
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)
next prev parent reply other threads:[~2022-06-06 22:15 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-31 19:49 bug#55744: infinite loop Daniel R. Grayson
2022-05-31 20:12 ` Lars Ingebrigtsen
2022-05-31 20:26 ` Daniel R. Grayson
2022-05-31 20:28 ` Lars Ingebrigtsen
2022-05-31 20:42 ` Daniel R. Grayson
2022-06-01 2:29 ` Lars Ingebrigtsen
2022-06-01 14:27 ` Daniel R. Grayson
2022-06-01 15:35 ` Lars Ingebrigtsen
2022-06-01 15:47 ` Daniel R. Grayson
2022-06-01 15:48 ` Lars Ingebrigtsen
2022-06-06 22:15 ` Richard Stallman [this message]
2022-06-06 22:46 ` Daniel R. Grayson
2022-06-07 2:28 ` Eli Zaretskii
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