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bug#16129: 24.3.50; Emacs slow with follow-mode when buffer ends before


From: Eli Zaretskii
Subject: bug#16129: 24.3.50; Emacs slow with follow-mode when buffer ends before last window
Date: Fri, 10 Jan 2014 21:00:17 +0200

> Date: Fri, 10 Jan 2014 19:52:18 +0100
> From: Anders Lindgren <address@hidden>
> Cc: Stefan Monnier <address@hidden>, address@hidden
> 
> Concretely, how do we proceed from here? I don't have the necessary
> knowledge of the internals of the display engine and I don't have much time
> to spend on a major rewrite like this. However, if someone decides to
> proceed with this, I will try to support them as much that I can.

I suggest to file a separate feature request bug report about this,
and include in it the requirements for the display engine to support
follow-mode.  That is, given a set of windows that are "following"
each other, what should redisplay do when certain display-related
events happen.  Then interested volunteers can implement that.





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