Subject: bug#71452: 30.0.50; GNUS hangs on IMAP/s reads starting at commit bbc1803

From: Dmitry Gutov <[email-masked]>
Date: Tue, 11 Jun 2024 04:55:25 +0300

On 10/06/2024 07:09, Dmitry Gutov wrote:
> Print-debugging seems to say that there might be something wrong with 
> what (forward-line -1) does: output has the ^M chars, and apparently the 
> new logic makes it skip over too many characters.

All right, this was the newline cache.

I've pushed a fix, commit 5a576069fcd. This fixes Gnus in my testing.

Also heads up: the variable to disable optimization had been renamed to 
'fast-read-process-output'. Just in case you or somebody else needs to 
disable the fast path for this or some newer reason.