From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: ynyaaa@gmail.com Newsgroups: gmane.emacs.bugs Subject: bug#46316: 27.1; wrong horizontal scroll with truncate-lines value t Date: Mon, 15 Feb 2021 00:43:32 +0900 Message-ID: <86tuqefye3.fsf@gmail.com> References: <86wnvds38h.fsf@gmail.com> <83czx4c7dt.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20085"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 46316@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Feb 14 16:44:10 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lBJZB-00056A-4X for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 14 Feb 2021 16:44:09 +0100 Original-Received: from localhost ([::1]:47748 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lBJZA-0006ih-6U for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 14 Feb 2021 10:44:08 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40852) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lBJZ4-0006hm-5x for bug-gnu-emacs@gnu.org; Sun, 14 Feb 2021 10:44:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:53270) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lBJZ3-0007y0-SO for bug-gnu-emacs@gnu.org; Sun, 14 Feb 2021 10:44:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lBJZ3-0005Pq-Mj for bug-gnu-emacs@gnu.org; Sun, 14 Feb 2021 10:44:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: ynyaaa@gmail.com Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 14 Feb 2021 15:44:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 46316 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: notabug Original-Received: via spool by 46316-submit@debbugs.gnu.org id=B46316.161331742620788 (code B ref 46316); Sun, 14 Feb 2021 15:44:01 +0000 Original-Received: (at 46316) by debbugs.gnu.org; 14 Feb 2021 15:43:46 +0000 Original-Received: from localhost ([127.0.0.1]:36583 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lBJYn-0005PD-QP for submit@debbugs.gnu.org; Sun, 14 Feb 2021 10:43:46 -0500 Original-Received: from mail-pf1-f169.google.com ([209.85.210.169]:36844) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lBJYm-0005P0-77 for 46316@debbugs.gnu.org; Sun, 14 Feb 2021 10:43:44 -0500 Original-Received: by mail-pf1-f169.google.com with SMTP id z15so2705125pfc.3 for <46316@debbugs.gnu.org>; Sun, 14 Feb 2021 07:43:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:in-reply-to:references:date:message-id :mime-version; bh=G/QxXrKv54DhMnV28BNxj/Jj9M7xmu3FxkFf4FDIhVI=; b=YHQL4f2DllyxRet2gOSChsDxG/AG4ya6SzY4IRhI7Sxt/JqNQatYk4m2V4PtbaAmYu LWvm9HpEmsjFxmHCXRQ8tfLPS2cUzoMXvc46Cc4jH6Q0/IcYubJOhkZGuvyQq/3rl1ct H85etBeXwjAGFUh5G7mQz9GxMo6x1d8veUVVO25pE2sNpS2gMDWkTEjwH7kgxO19rDiX pD14Md6EPFchSBQ+1m/9dREzuyWUipYbyWMYQcaMzqyUdNdE/f6uXY/h9uzytSkRGMdw dEe2j25XsG0tiLO5Nof9YuZ0FnIA3utNFxoYWyM+RzDcjXmJKddSsHg7glwTNJ8n+xV6 ydAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:mime-version; bh=G/QxXrKv54DhMnV28BNxj/Jj9M7xmu3FxkFf4FDIhVI=; b=SlLIXay9113JVdob0KBXz1pET7GyRefPL9Hd29yl6ZaibkkoggM5f1iASbbUcXxOzD WIr6HLLoFj79XZ++4hATywAD6gabk5c24kxOP5BpW468qhE0QkAbdWGVOHZtHCqMPrx7 PMOrhF9xbkGVfSufm4731eug+NiWMKkpFzM19tM7TcER6bpKQC0TJPmnkaRXBmPB1vJ4 vIIxdTBqK7vJGHvWK+sQu62Gt+VdBHma1BwzJBokgDp+y0LyqE9wmbkeMGwKneoYNqHj ylEyIxwGEH0xBe3VnC6tQV9Vpf8qy9nLGdIc0Dij2PbYKyw6H3NGgQChd3D+82C8nM6Z +yHg== X-Gm-Message-State: AOAM5332u8liFseJGiEwICH1gUjIg+k5cie5k9sF+PK03TAs5Vs5wt4/ 7T9t+18k4sbvHzZprbkkU6YfjpQY5JY= X-Google-Smtp-Source: ABdhPJx/Gc49fpH1xFDS/r7Eyoc5zSwT7wYcbLRMLZ/iAPG9LFx1kfvBfkPcNV0ejRWThCwH3iCR3w== X-Received: by 2002:a63:fa51:: with SMTP id g17mr10869276pgk.166.1613317418002; Sun, 14 Feb 2021 07:43:38 -0800 (PST) Original-Received: from HP (east42-p109.eaccess.hi-ho.ne.jp. [219.121.173.110]) by smtp.gmail.com with ESMTPSA id f18sm13783487pjq.53.2021.02.14.07.43.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Feb 2021 07:43:37 -0800 (PST) In-Reply-To: <83czx4c7dt.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 13 Feb 2021 17:30:38 +0200") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:200012 Archived-At: Eli Zaretskii writes: >> Regarding image-mode, a simpler example of the bug is written as below. >> The hscroll does not change when the buffer is changed. >> Image display, window focus or message is not related. >> >> (let ((buf (generate-new-buffer "tmp"))) >> (switch-to-buffer buf) >> (setq truncate-lines t) >> (dotimes (i 200) >> (insert (format ":%03d" i)) >> (when (= 0 (% (1+ i) 100)) (insert ?\n))) >> (forward-char -1) >> (sit-for 1) >> (set-window-hscroll nil (window-hscroll)) >> (save-excursion >> (forward-char -100) >> (insert-char ?\n 10) >> )) > > Sorry, I don't think I follow: what exactly is the bug here? What did > you expect to happen ,and what did actually happen? The expression '(set-window-hscroll nil (window-hscroll))' should not have any effect, but if it is deleted from the form, auto-hscroll-mode works correctly. Not only point motion but also buffer modification should be checked for auto-hscroll-mode.