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bug#33532: 26.1; set-window-configuration does not restore display start
From: |
Markus Triska |
Subject: |
bug#33532: 26.1; set-window-configuration does not restore display start |
Date: |
Tue, 27 Nov 2018 23:11:21 +0100 |
In "emacs -Q", please evaluate the following form:
(let ((buf (get-buffer-create "buf")))
(switch-to-buffer buf)
(erase-buffer)
(dotimes (x 10)
(insert (format "x is %s\n" x)))
(recenter 3)
(sit-for 1)
(let ((conf (current-window-configuration))
(ws (window-start))
(str (with-current-buffer buf (buffer-string))))
(with-current-buffer buf
(erase-buffer)
(insert str))
(set-window-configuration conf)
(sit-for 1)
(message "window-start: %s vs. %s" ws (window-start))))
This shows that after set-window-configuration, even though the buffer
content is the same as at the time the configuration was obtained, the
value of (window-start) differs from before: After the window
configuration is set, (window-start) is 1. I expect it to be 50 (i.e.,
the value at the time the configuration was obtained), because the
documentation of current-window-configuration states:
This describes ... for each ... buffer, where display starts ...
If possible, could you please consider restoring window-start to the
exact same position? Thank you very much!
In GNU Emacs 26.1 (build 1, x86_64-pc-linux-gnu, X toolkit, Xaw scroll bars)
of 2018-11-18 built on debian
Repository revision: 07f8f9bc5a51f5aa94eb099f3e15fbe0c20ea1ea
Windowing system distributor 'The X.Org Foundation', version 11.0.11902000
System Description: Debian GNU/Linux 9.6 (stretch)
- bug#33532: 26.1; set-window-configuration does not restore display start,
Markus Triska <=
- bug#33532: 26.1; set-window-configuration does not restore display start, Eli Zaretskii, 2018/11/28
- bug#33532: 26.1; set-window-configuration does not restore display start, martin rudalics, 2018/11/29
- bug#33532: 26.1; set-window-configuration does not restore display start, Markus Triska, 2018/11/29
- bug#33532: 26.1; set-window-configuration does not restore display start, martin rudalics, 2018/11/29
- bug#33532: 26.1; set-window-configuration does not restore display start, Markus Triska, 2018/11/30
- bug#33532: 26.1; set-window-configuration does not restore display start, martin rudalics, 2018/11/30