Re: The unwarranted scrolling assumption

[Eli Zaretskii]

> From: Lennart Borgman <address@hidden>
> Date: Thu, 17 Jun 2010 05:59:12 +0200
> Cc: Stefan Monnier <address@hidden>, address@hidden, address@hidden, 
>       address@hidden
> 
> > After trying to restore the clip_changed value when save-restriction,
> > widen etc unnecessarily changed I suddenly wonder why they changed it.
> > Is not this something that only redisplay should handle? redisplay_can
> > easily save the clipping when it sets clip_changed to 0 and compare
> > with that when it enters redisplay_window and set clip_changed to 1 if
> > the saved clipping does not match.
> >
> > Does that sound reasonable? (I do not know if I am missing something.)
> 
> At least it works. I just tested. First time I am using Emacs without
> "jumping scrolling"! :-)
> 
> If you think this is the right way to fix it I will send patches later
> when I cleaned up a bit.

You are posting conclusions without supporting data, and patches based
on those conclusions.  You also didn't answer the questions I asked.
Sorry, I cannot help you like that.

At the very least, please post the shortest way of reproducing the
original problem starting with "emacs -Q".  Then, maybe, I will be
able to figure this out myself.