From: Eli Zaretskii <eliz@gnu.org>
To: Po Lu <luangruo@yahoo.com>
Cc: 53275@debbugs.gnu.org
Subject: bug#53275: 29.0.50; Cursor shows up at the middle of the screen after window start is forced when vscroll is set
Date: Sat, 15 Jan 2022 09:47:04 +0200 [thread overview]
Message-ID: <83a6fx1lvr.fsf@gnu.org> (raw)
In-Reply-To: <87fsppejo8.fsf@yahoo.com> (bug-gnu-emacs@gnu.org)
> Date: Sat, 15 Jan 2022 11:56:23 +0800
> From: Po Lu via "Bug reports for GNU Emacs,
> the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>
> Starting from 'emacs -Q', press M-< in the scratch buffer, then say M-:
> and evaluate:
>
> (progn
> (set-window-vscroll nil 30 t)
> (redisplay)
> (set-window-start nil (point-max)))
>
> The cursor will then display in the center of the screen, which is not
> the correct position.
Sorry, I missed the "M-<" part. With it, the behavior is
reproducible, but I'm not sure I understand what is "the correct
position" of the cursor in this case, or why does it matter what Emacs
does in that case (except that it should not crash).
next prev parent reply other threads:[~2022-01-15 7:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <87fsppejo8.fsf.ref@yahoo.com>
2022-01-15 3:56 ` bug#53275: 29.0.50; Cursor shows up at the middle of the screen after window start is forced when vscroll is set Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-01-15 7:43 ` Eli Zaretskii
2022-01-15 7:47 ` Eli Zaretskii [this message]
2022-01-15 7:52 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-01-15 13:59 ` Eli Zaretskii
2022-01-16 0:30 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
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