From: Eli Zaretskii <eliz@gnu.org>
To: martin rudalics <rudalics@gmx.at>
Cc: acm@muc.de, 34038@debbugs.gnu.org, Markus Triska <triska@metalevel.at>
Subject: bug#34038: 26.1; set-window-start sometimes fails to set window start
Date: Sun, 13 Jan 2019 17:21:00 +0200 [thread overview]
Message-ID: <83tviceg83.fsf@gnu.org> (raw)
In-Reply-To: <5C3B3FCC.8080006@gmx.at> (message from martin rudalics on Sun, 13 Jan 2019 14:40:28 +0100)
> Date: Sun, 13 Jan 2019 14:40:28 +0100
> From: martin rudalics <rudalics@gmx.at>
> CC: 34038@debbugs.gnu.org
>
> > There's no bug here: Emacs by default avoids starting a window's
> > display at EOB. Scroll-conservatively overrides that.
>
> AFAICT a first redisplay tries to obey a forced 'window-start' at EOB.
> A subsequent redisplay_preserve_echo_area, however, has forgotten the
> force_start and recenters the window.
Yes.
> Which means that force_start is pretty ephemeral.
It's ephemeral if it leaves the window in a state which will make
subsequent redisplay unhappy. Which is what this recipe triggers.
next prev parent reply other threads:[~2019-01-13 15:21 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-10 19:57 bug#34038: 26.1; set-window-start sometimes fails to set window start Markus Triska
2019-01-11 7:03 ` Eli Zaretskii
2019-01-11 12:20 ` Markus Triska
2019-01-11 13:36 ` Eli Zaretskii
2019-01-11 14:31 ` Markus Triska
2019-01-11 15:10 ` martin rudalics
2019-01-11 17:45 ` Markus Triska
2019-01-11 19:07 ` Eli Zaretskii
2019-01-12 8:12 ` martin rudalics
2019-01-12 13:25 ` Markus Triska
2019-01-12 13:53 ` Eli Zaretskii
2019-01-12 14:12 ` martin rudalics
2019-01-12 19:08 ` Markus Triska
2019-01-12 20:28 ` Eli Zaretskii
2019-01-11 21:23 ` Alan Mackenzie
2019-01-12 8:13 ` martin rudalics
2019-01-12 18:22 ` Alan Mackenzie
2019-01-12 20:29 ` Eli Zaretskii
2019-01-12 20:42 ` Alan Mackenzie
2019-01-13 3:30 ` Eli Zaretskii
2019-01-13 7:32 ` Markus Triska
2019-01-13 8:40 ` martin rudalics
2019-01-13 11:32 ` Eli Zaretskii
2019-01-13 13:40 ` martin rudalics
2019-01-13 15:21 ` Eli Zaretskii [this message]
2019-03-24 10:35 ` Markus Triska
2019-03-24 17:28 ` Eli Zaretskii
2019-03-24 19:56 ` Markus Triska
2019-03-28 16:21 ` Eli Zaretskii
2019-03-29 7:16 ` Markus Triska
2019-03-29 8:29 ` Eli Zaretskii
2019-04-06 8:23 ` Eli Zaretskii
[not found] <<m2ftu05lqv.fsf@metalevel.at>
[not found] ` <<83sgxzhe04.fsf@gnu.org>
2019-01-11 16:37 ` Drew Adams
2019-01-11 16:49 ` Eli Zaretskii
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