From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Markus Triska Newsgroups: gmane.emacs.bugs Subject: bug#33533: 26.1; set-window-configuration does not restore display start Date: Tue, 27 Nov 2018 23:05:09 +0100 Message-ID: <87h8g22n3e.fsf@metalevel.at> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1543356909 21497 195.159.176.226 (27 Nov 2018 22:15:09 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 27 Nov 2018 22:15:09 +0000 (UTC) To: 33533@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Nov 27 23:15:05 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gRldH-0005NO-LA for geb-bug-gnu-emacs@m.gmane.org; Tue, 27 Nov 2018 23:15:03 +0100 Original-Received: from localhost ([::1]:44809 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gRlfN-0007PC-VE for geb-bug-gnu-emacs@m.gmane.org; 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Tue, 27 Nov 2018 17:16:38 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gRlei-0001dj-HE for bug-gnu-emacs@gnu.org; Tue, 27 Nov 2018 17:16:37 -0500 Original-Received: from metalevel.at ([78.46.218.83]:50694) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gRlei-0001dS-6F for bug-gnu-emacs@gnu.org; Tue, 27 Nov 2018 17:16:32 -0500 Original-Received: from debian (localhost.localdomain [127.0.0.1]) by metalevel.at (Postfix) with ESMTP id 04B86A2AFD for ; Tue, 27 Nov 2018 23:16:31 +0100 (CET) Original-Received: by debian (Postfix, from userid 1000) id DB2C9E1396; Tue, 27 Nov 2018 23:05:09 +0100 (CET) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:152833 Archived-At: 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)