Re: The unwarranted scrolling assumption

[grischka]

> Emacs was designed to handle a slow redisplay by suspending
> redisplay when it's too slow to avoid the above problems.
> I think it's a very sound design ...

It is PART OF a design.  The more important but not implemented
in emacs part is to quit redisplay prematurely when new input
arrives.  Basically like:

  (while-no-input
     (redisplay)
     )

In practice, editors did it like this (which gives nice feedback
on the spot where the eyes look at):

  (while-no-input
     (redisplay current-line)
     (redisplay rest-of-page)
     )

--- grischka