Subject: Re: bug#49682: 27.2.50; accept-process-output within accept-process-output hangs emacs

From: Eli Zaretskii <[email-masked]>
Date: Wed, 21 Jul 2021 22:29:16 +0300

> Date: Wed, 21 Jul 2021 10:58:22 -0400
> From:  Rajeev N via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <[email-masked]>
> 
> (let () (run-with-timer 0 nil #'url-retrieve "https://www.gnu.org/" #'ignore) (diary-mail-entries))

Don't do that, because it will hurt.  Mixing timers with subprocesses
is asking for trouble.