Subject: Re: bug#57804: An infinite loop in a `fontify-region' function causes Emacs to hang indefinitely

From: Lars Ingebrigtsen <[email-masked]>
Date: Wed, 14 Sep 2022 19:38:12 +0200

Eli Zaretskii <[email-masked]> writes:

> This case is exactly one of those which I think we shouldn't try to
> fix, because it's the case of "buggy Lisp program", a.k.a. "don't do
> that".  There's no reason for any useful Lisp program to have an
> infloop like this:
>
>>   (while t
>>     "whoopsie")

You've never accidentally put an infloop into a font locking function?
Then you've been very lucky.

We should definitely fix this is we can.