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Re: The unwarranted scrolling assumption

From: David Engster
Subject: Re: The unwarranted scrolling assumption
Date: Mon, 21 Jun 2010 14:11:41 +0200
User-agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.2 (gnu/linux)

Stephen J. Turnbull writes:
> But David's testing used HELLO, and HELLO triggers bidi, and bidi has
> its own problems IIUC; certainly Eli produced a patch for it.  There's
> some evidence that they are different problems. 

Yes, I wasn't aware that some problems with HELLO were due to triggering
bidi on Emacs 24. I actually also tested my recipe with Emacs 23.2, and
I have recentering there, too, since my main problems pretty clearly
come from Emacs' redisplay not keeping up with keyboard input while
leaning on the <down> key. This is supported by the fact that when I
rebind <down> to '(progn (next-line) (redisplay t))', the recentering
practically disappears. As far as I understood from this thread, neither
Eli's nor Lennart's patches will be able to fix this, since this is a
result of the basic design of the display engine. Maybe it would be
possible to deal with this better than the current recentering, but this
is a separate issue and hence should be discussed elsewhere.


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