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Re: redisplay-dont-pause is not mentioned in the Emacs manual

From: Eli Zaretskii
Subject: Re: redisplay-dont-pause is not mentioned in the Emacs manual
Date: Tue, 06 Jun 2006 06:42:04 +0300

> Cc: Ralf Angeli <address@hidden>,  address@hidden,
>         address@hidden
> From: address@hidden (Kim F. Storm)
> Date: Mon, 05 Jun 2006 23:00:43 +0200
> >> I have [redisplay-dont-pause] enabled for all my Emacs installations
> >> because I cannot stand the way buffer contents are updated during
> >> scrolling if it is not.
> >
> > I think that's a bug that should be reported and fixed.
> How?

IMHO, if a user needs to futz with redisplay-dont-pause to solve her
problems, there's either a bug or a missing feature.  I don't think
redisplay-dont-pause was ever meant for the users, since its effect is
complicated and hard to explain.  In some situations it makes
redisplay more responsive, in others it has the reverse effect.

> Normal redisplay is restarted whenever it is interrupted by user
> input.  For example, pressing and holding the down-arrow key will be
> "randomly jumpy" -- depending on the speed of the computer vs. the key
> "repeat rate" of the keyboard.
> The only way to get "more fluent" display updates is by setting
> redisplay-dont-pause.  I also used to set it when I had a slower
> computer --- these days, it usually manages to keep up with my
> typing, so it doesn't really matter.

If redisplay behaves erratically on slow computers, we should handle
that case specially, to avoid the need for playing with

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