GNU bug report logs - #70038
29.3.50; Shift up/down in buffer with images on M-x other-window with some fonts

Previous Next

Full log

Message #89 received at 70038 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: martin rudalics <rudalics <at> gmx.at>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 70038 <at> debbugs.gnu.org
Subject: Re: bug#70038: 29.3.50; Shift up/down in buffer with images on M-x
 other-window with some fonts
Date: Sun, 28 Apr 2024 17:15:49 +0800

martin rudalics <rudalics <at> gmx.at> writes:

>> Where would you like to put the comment, and what should that comment
>> say?
>
> There are three issues I don't understand well in this context.  The
> first one concerns the preserve_vscroll_p flag we currently check as:
>
>       if (!w->preserve_vscroll_p && !window_frozen_p (w))
> 	w->vscroll = 0;
>
> Here, in all scenarios I tried, I observed that w->preserve_vscroll_p

???  Have you enabled pixel-scroll-precision-mode, for which this flag
was introduced?  p-s-p-m relies on vscroll values that it sets being
preserved by force_start in all scenarios, which naturally includes
those where the window start is frozen, just as it does those where it
is variable.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.