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bug#8355: 24.0.50; Boxes in mode-line and scrolling
From: |
Eli Zaretskii |
Subject: |
bug#8355: 24.0.50; Boxes in mode-line and scrolling |
Date: |
Wed, 09 Dec 2020 18:17:30 +0200 |
> Date: Tue, 08 Dec 2020 20:33:24 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: antoine.levitt@gmail.com, 8355@debbugs.gnu.org
>
> > From: Lars Ingebrigtsen <larsi@gnus.org>
> > Cc: Antoine Levitt <antoine.levitt@gmail.com>, 8355@debbugs.gnu.org
> > Date: Tue, 08 Dec 2020 19:27:12 +0100
> >
> > > The original report was talking about C-v followed by M-v producing a
> > > 1-line displacement. Is _that_ the problem? If so, why did you
> > > expect Emacs to come to the same place, AFAIK there's no guarantee of
> > > that when variable-height text is involved.
> >
> > Shouldn't there be? Going back a page and forward a page should ideally
> > land you on the same line.
>
> That's not how Emacs scroll commands work. But as I said, I will look
> closer at the code and see if there's some subtle issue here.
I installed a partial fix for this. It improves the situation, in
that for many starting positions of point, the sequence of N C-v's
followed by N M-v's, or vice versa, will now end up in the same line
and the same screen position. There are still cases where we end up
short by one line, and I don't see how that could be fixed as long as
the buffer has some stretches of lines with smaller or larger height.
Please try the latest master; if the improvement is sufficient, we can
close this bug.
Thanks.
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Lars Ingebrigtsen, 2020/12/08
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Antoine Levitt, 2020/12/08
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Lars Ingebrigtsen, 2020/12/08
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Eli Zaretskii, 2020/12/08
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Lars Ingebrigtsen, 2020/12/08
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Eli Zaretskii, 2020/12/08
- bug#8355: 24.0.50; Boxes in mode-line and scrolling,
Eli Zaretskii <=
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Lars Ingebrigtsen, 2020/12/09
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Eli Zaretskii, 2020/12/09
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Lars Ingebrigtsen, 2020/12/09
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Antoine Levitt, 2020/12/09
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Eli Zaretskii, 2020/12/09
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Antoine Levitt, 2020/12/11
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Eli Zaretskii, 2020/12/11
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Antoine Levitt, 2020/12/11
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Eli Zaretskii, 2020/12/11
- bug#8355: 24.0.50; Boxes in mode-line and scrolling, Antoine Levitt, 2020/12/11