GNU bug report logs - #45898
27.1; wedged in redisplay again

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Message #221 received at 45898 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: gerd.moellmann <at> gmail.com, psainty <at> orcon.net.nz, larsi <at> gnus.org,
 Emacs-hacker2018 <at> jovi.net, 45898 <at> debbugs.gnu.org
Subject: Re: bug#45898: 27.1; wedged in redisplay again
Date: Fri, 01 Jul 2022 15:51:08 +0300

> From: Stefan Monnier <monnier <at> iro.umontreal.ca>
> Cc: gerd.moellmann <at> gmail.com,  larsi <at> gnus.org,  psainty <at> orcon.net.nz,
>   Emacs-hacker2018 <at> jovi.net,  45898 <at> debbugs.gnu.org
> Date: Fri, 01 Jul 2022 08:14:33 -0400
> 
> >> > That's only true if max-redisplay-ticks is zero.
> >> 
> >> Why would that make a difference?
> >
> > Because if it is not zero, we won't let the entire line to be
> > fontified, we will stop that before it gets to the end of the line.
> 
> Interesting, where in the code do you do that?

In scan_sexps_forward, near the end: if too many "ticks" are counted,
update_redisplay_ticks will signal an error.  Same thing in
re_match_2_internal.

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