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bug#31988: scroll-other-window broken on master
From: |
Basil L. Contovounesios |
Subject: |
bug#31988: scroll-other-window broken on master |
Date: |
Thu, 28 Jun 2018 00:26:33 +0300 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
tags 31988 patch
quit
"Daniel Colascione" <dancol@dancol.org> writes:
> Basil, it looks like you recently rewrote a big chunk of the window
> scrolling code. Can you please take a look?
>
> Thanks.
>
>> scroll-other-window scrolls the current window _and_ the other window. To
>> repro, visit a big file, C-x 2, and mash C-M-v. Only the other window
>> should scroll. Now, both windows scroll.
This bug was indeed introduced by my recent refactor.
Does the following patch fix it?
>From 026b6befc40795d8597e036f930f634b2a17e4f3 Mon Sep 17 00:00:00 2001
From: "Basil L. Contovounesios" <contovob@tcd.ie>
Date: Thu, 28 Jun 2018 00:13:07 +0300
Subject: [PATCH] Fix other window scroll when showing same buffer
src/window.c (scroll_command): Make other window's buffer current
before scrolling, even when displaying the same buffer. (bug#31988)
---
src/window.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/window.c b/src/window.c
index 81fd7f2b47..42b9522862 100644
--- a/src/window.c
+++ b/src/window.c
@@ -5654,7 +5654,7 @@ scroll_command (Lisp_Object window, Lisp_Object n, int
direction)
/* If given window's buffer isn't current, make it current for
the moment. But don't screw up if window_scroll gets an error. */
- if (XBUFFER (w->contents) != current_buffer)
+ if (other_window || XBUFFER (w->contents) != current_buffer)
{
record_unwind_protect_excursion ();
Fset_buffer (w->contents);
--
2.18.0
Thanks,
--
Basil