GNU bug report logs - #61514
30.0.50; sadistically long xml line hangs emacs

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Package: emacs;

Reported by: "Mark A. Hershberger" <mah <at> everybody.org>

Date: Tue, 14 Feb 2023 21:05:02 UTC

Severity: normal

Found in version 30.0.50

Done: Gregory Heytings <gregory <at> heytings.org>

Bug is archived. No further changes may be made.

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Message #89 received at 61514 <at> debbugs.gnu.org (full text, mbox):

From: Gregory Heytings <gregory <at> heytings.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: mah <at> everybody.org, 61514 <at> debbugs.gnu.org,
 Stefan Monnier <monnier <at> iro.umontreal.ca>
Subject: Re: bug#61514: 30.0.50; sadistically long xml line hangs emacs
Date: Mon, 20 Feb 2023 00:14:34 +0000

>
> In a sense it is better to fail earlier, but to do that in all cases, we 
> would have to lower emacs_re_max_failures say to 10000, which I guess 
> wouldn't be good because the it would fail too much.
>

Out of curiosity, I just bootstrapped Emacs with emacs_re_max_failures = 
10000.  make and make check succeed, except one test: regex-repeat-limit.

With emacs_re_max_failures = 19661 or higher that test succeeds.  I don't 
know how important it is to allow x\\{65535\\}.
This bug report was last modified 2 years and 147 days ago.

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