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Re: The unwarranted scrolling assumption

From: Stefan Monnier
Subject: Re: The unwarranted scrolling assumption
Date: Wed, 16 Jun 2010 20:54:52 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

>> However I dislike the way the problem is solved. I would rather wish
>> that the display engine instead calculated a new window start point
>> from the input command queue. I have no idea if that is actually
>> possible.
> I think it's impossible.  How can you guess the effect of list of
> arbitrary input events on the display, without actually redisplaying?

Indeed what he suggests is probably impossible.  But the end result he's
after is definitely possible: move the window-start as little as possible
(tho still, line by line) to keep point displayed.


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