Re: Scrolling commands and skipping redisplay, was: Re: emacs rendering comparisson between emacs23 and emacs26.3

[Richard Stallman]

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  > That's currently a very significant requirement throughout
  > redisplay_window and its subroutine: any result that leaves the
  > current line (i.e. the line where point is) not completely visible is
  > rejected, and we select some other window-start point to avoid that.

Ok.

The text I responded to

>   > That would mean the last line we scroll into the window will be only
>   > partially visible, and that is a no-no in scrolling.

talks about "the last line we scroll into the window", and _in general_ that
is not always the current line.

Is it always the current line in the case under discussion?

-- 
Dr Richard Stallman
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)