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Re: Partly deferred font-locking?

From: Eli Zaretskii
Subject: Re: Partly deferred font-locking?
Date: Thu, 12 Jan 2023 16:36:00 +0200

> From: Ihor Radchenko <yantar92@posteo.net>
> Cc: Michael Heerdegen <michael_heerdegen@web.de>, emacs-devel@gnu.org
> Date: Thu, 12 Jan 2023 14:30:32 +0000
> I just tried
> (while-no-input (let ((x 0)) (while t (cl-incf x) (when (> 3 (random 
> 1000000)) (message "%d" x)))))
> and it does not block.

Do you understand why?  Specifically: which code in Emacs caused us to
throw on input in this case?  And is that going to happen when Emacs
calls a C function that hits the disk?

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