GNU bug report logs - #51776
revert-buffer causes spurious scrolling when the buffer is displayed in two windows.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Alan Mackenzie <acm <at> muc.de>
Subject: bug#51776: closed (Re: bug#51776: Acknowledgement (revert-buffer
 causes spurious scrolling when the buffer is displayed in two windows.))
Date: Fri, 12 Nov 2021 18:48:02 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#51776: revert-buffer causes spurious scrolling when the buffer is displayed in two 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 51776 <at> debbugs.gnu.org.

-- 
51776: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=51776
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Alan Mackenzie <acm <at> muc.de>
To: 51776-done <at> debbugs.gnu.org
Subject: Re: bug#51776: Acknowledgement (revert-buffer causes spurious
 scrolling when the buffer is displayed in two windows.)
Date: Fri, 12 Nov 2021 18:47:26 +0000

Bug fixed.

-- 
Alan Mackenzie (Nuremberg, Germany).


On Thu, Nov 11, 2021 at 21:22:02 +0000, GNU bug Tracking System wrote:
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> 51776: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=51776
> GNU Bug Tracking System
> Contact help-debbugs <at> gnu.org with problems

[Message part 3 (message/rfc822, inline)]

From: Alan Mackenzie <acm <at> muc.de>
To: bug-gnu-emacs <at> gnu.org
Subject: revert-buffer causes spurious scrolling when the buffer is displayed
 in two windows.
Date: Thu, 11 Nov 2021 21:21:49 +0000

Hello, Emacs.

In the master branch:

(i) emacs -Q
(ii) C-x C-f ..../doc/lispref/display.texi
(iii) C-x 2 ; to split the windows with a horizontal divider.
(iv) Move to the "top" window (if not already there) with C-x o.
(v) M-< ; to the beginning of the buffer
(vi) After the line "@Chapter Emacs Display", insert a new line
  "@node Display2"

(vii) Move to the "bottom" window with C-x o.
(viii) M->  ; to the end of the buffer.
(ix) Type a new last line "@cindex Help!".

(x) M-x revert-buffer RET yes RET

The "bottom" window now spuriously scrolls to the top of the buffer.
This is a bug.

-- 
Alan Mackenzie (Nuremberg, Germany).

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