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Re: Emacs freezes again when I try to open a file including only one ver

From: Eli Zaretskii
Subject: Re: Emacs freezes again when I try to open a file including only one very long line.
Date: Tue, 28 Jun 2022 17:18:12 +0300

> From: Hongyi Zhao <>
> Date: Tue, 28 Jun 2022 21:56:58 +0800
> Cc: help-gnu-emacs <>
> > This is what this feature does: it interrupts a too-long redisplay and
> > lets you use Emacs regardless -- you can switch to another buffer, or
> > kill the problematic buffer, or do something else to remedy the
> > unexpected slowness, instead of having to wait forever for any
> > response to any Emacs command, which basically makes the session
> > unusable.
> Thank you for your explanation, but I find that in this case, the
> incremental search doesn't work as expected, as shown in the attached
> file.

"Doesn't work" in what way?

I think your expectations from what this does are incorrect.  This new
variable's purpose is to prevent Emacs from becoming frozen and
unusable because you happened to visit a problematic file.  It doesn't
make problematic files non-problematic, it just prevents such a file
from making the session hopelessly frozen without any way to recover.

In your case, you can kill the buffer and then visit it literally, or
make the file shorter and re-visit it, or decide that this file cannot
be reasonably edited with Emacs, or something else.  And your Emacs
session will still be usable and will not freeze -- which was your
complaint, see the Subject.

IOW, it sounds like your complaint is now something else, not that
"Emacs freezes again".

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