From: Eli Zaretskii <eliz@gnu.org>
To: Michael Heerdegen <michael_heerdegen@web.de>
Cc: larsi@gnus.org, esabof@gmail.com, 14582@debbugs.gnu.org
Subject: bug#14582: 24.3.50.1; Strange overlay behavior, when window-start is inside an overlay.
Date: Mon, 31 Jan 2022 21:08:33 +0200 [thread overview]
Message-ID: <83a6fb90zy.fsf@gnu.org> (raw)
In-Reply-To: <87sft37nmo.fsf@web.de> (message from Michael Heerdegen on Mon, 31 Jan 2022 19:42:39 +0100)
> From: Michael Heerdegen <michael_heerdegen@web.de>
> Cc: larsi@gnus.org, esabof@gmail.com, 14582@debbugs.gnu.org
> Date: Mon, 31 Jan 2022 19:42:39 +0100
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> > Basically, we are being asked to introduce application-level logic
> > into the general-purpose parts of the display code: the application
> > sets the window-start at some place which happens to be a bad idea,
> > and wants the display engine to save the application from itself. I
> > don't think it's TRT.
>
> There is a misunderstanding here: hideshow doesn't change window-start.
>
> What actually happens is: Elisp, be it hideshow or whatever, changes
> visibility of some part(s) of the buffer. Sometimes it can happen that
> the old window start position (in any window) is part of a fold
> (invisible region) afterwards. Then the issue I described occurs.
Then please provide a full, self-contained recipe starting from "emacs
-Q" that uses hideshow. The only recipe I saw and analyzed in this
bug was the original one, which did set window-start. Perhaps you are
talking about a different issue.
next prev parent reply other threads:[~2022-01-31 19:08 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-09 9:13 bug#14582: 24.3.50.1; Strange overlay behavior, when window-start is inside an overlay E Sabof
2013-06-09 17:06 ` Eli Zaretskii
2013-06-09 17:37 ` E Sabof
2013-06-09 17:52 ` Eli Zaretskii
2013-06-09 18:16 ` E Sabof
2013-06-09 18:25 ` Eli Zaretskii
2013-06-09 18:40 ` E Sabof
2013-06-09 18:49 ` E Sabof
2022-01-30 21:37 ` Lars Ingebrigtsen
2022-01-31 0:36 ` Michael Heerdegen
2022-01-31 14:57 ` Eli Zaretskii
2022-01-31 18:42 ` Michael Heerdegen
2022-01-31 19:08 ` Eli Zaretskii [this message]
2022-02-01 3:03 ` Michael Heerdegen
2022-02-01 18:18 ` Eli Zaretskii
2022-02-02 1:12 ` Michael Heerdegen
2022-02-02 3:34 ` Eli Zaretskii
2022-02-02 4:02 ` Michael Heerdegen
2022-02-02 12:31 ` Eli Zaretskii
2022-02-03 17:40 ` Eli Zaretskii
2022-02-04 1:37 ` Michael Heerdegen
2022-02-04 13:56 ` Eli Zaretskii
2022-02-06 2:54 ` Michael Heerdegen
2022-02-06 10:28 ` Eli Zaretskii
2022-02-08 0:29 ` Michael Heerdegen
2022-02-08 3:34 ` Eli Zaretskii
2022-02-08 4:05 ` Michael Heerdegen
2022-02-08 12:23 ` Eli Zaretskii
2022-02-09 0:20 ` Michael Heerdegen
2022-02-09 3:53 ` Michael Heerdegen
2022-02-09 13:47 ` Eli Zaretskii
2022-02-10 1:07 ` Michael Heerdegen
2022-02-10 6:15 ` Eli Zaretskii
2022-02-11 4:42 ` Michael Heerdegen
2022-02-11 8:46 ` Eli Zaretskii
2022-02-12 0:25 ` Michael Heerdegen
2022-02-12 7:28 ` Eli Zaretskii
2022-02-12 22:53 ` Michael Heerdegen
2022-02-13 11:43 ` Eli Zaretskii
2022-02-27 3:54 ` Michael Heerdegen
2022-02-27 8:08 ` Eli Zaretskii
2022-02-27 23:19 ` Michael Heerdegen
2022-02-28 13:10 ` Eli Zaretskii
2022-01-31 15:30 ` Lars Ingebrigtsen
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