GNU bug report logs - #15999
24.3.50; Redisplay broken with split windows

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Stephen Berman <stephen.berman <at> gmx.net>
Subject: bug#15999: closed (Re: bug#15999: 24.3.50; Redisplay broken with
 split windows)
Date: Fri, 29 Nov 2013 18:22:02 +0000

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Your bug report

#15999: 24.3.50; Redisplay broken with split windows

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 15999 <at> debbugs.gnu.org.

-- 
15999: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15999
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Stephen Berman <stephen.berman <at> gmx.net>
Cc: 15999-done <at> debbugs.gnu.org
Subject: Re: bug#15999: 24.3.50; Redisplay broken with split windows
Date: Fri, 29 Nov 2013 13:21:10 -0500

>    in the other buffer the time display is unchanged, and the scroll bar
>    disappears (note my build does not use toolkit scroll bars, I don't

OK, I figured out why the scrollbar disappeared.  Should all be fixed
now, thank you,


        Stefan

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From: Stephen Berman <stephen.berman <at> gmx.net>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3.50; Redisplay broken with split windows
Date: Fri, 29 Nov 2013 17:00:43 +0100

A recent change -- my guess is this one (I don't have time now to bisect
to confirm this suspicion):

115272: Stefan Monnier 2013-11-28 Refine redisplay optimizations to only
redisplay *some* frames/windows

-- has broken redisplay with split windows.  To reproduce:

0. emacs -Q
1. M-x display-time-mode
3. C-x 2 (or C- x 3)
4. C-x b, so one window displays *scratch* and the other *Messages*.
5. When the displayed time changes, only the current buffer is updated;
   in the other buffer the time display is unchanged, and the scroll bar
   disappears (note my build does not use toolkit scroll bars, I don't
   know if that makes a differences.)  This states of affairs remains
   until the non-updated buffer becomes current.


In GNU Emacs 24.3.50.14 (x86_64-suse-linux-gnu, GTK+ Version 3.10.2)
 of 2013-11-29 on rosalinde
Bzr revision: 115285 schwab <at> linux-m68k.org-20131129112504-5izsans1kw88maan
Windowing system distributor `The X.Org Foundation', version 11.0.11403901
System Description:	openSUSE 13.1 (Bottle) (x86_64)

Configured using:
 `configure --without-toolkit-scroll-bars CFLAGS=-g3'

Important settings:
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: Message

Minor modes in effect:
  diff-auto-refine-mode: t
  gnus-message-citation-mode: t
  mml-mode: t
  shell-dirtrack-mode: t
  show-paren-mode: t
  recentf-mode: t
  display-time-mode: t
  electric-pair-mode: t
  electric-indent-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  temp-buffer-resize-mode: t
  column-number-mode: t
  line-number-mode: t
  auto-fill-function: message-do-auto-fill
  abbrev-mode: t

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