From unknown Sat Aug 16 23:47:32 2025 X-Loop: help-debbugs@gnu.org Subject: bug#22395: 25.0.50; 'C-v' scrolls only a half of the window height Resent-From: Dani Moncayo Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 17 Jan 2016 20:51:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 22395 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 22395@debbugs.gnu.org X-Debbugs-Original-To: bug-gnu-emacs Received: via spool by submit@debbugs.gnu.org id=B.145306382727193 (code B ref -1); Sun, 17 Jan 2016 20:51:01 +0000 Received: (at submit) by debbugs.gnu.org; 17 Jan 2016 20:50:27 +0000 Received: from localhost ([127.0.0.1]:52080 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aKuHL-00074X-3Q for submit@debbugs.gnu.org; Sun, 17 Jan 2016 15:50:27 -0500 Received: from eggs.gnu.org ([208.118.235.92]:36942) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aKuHJ-00074K-Nt for submit@debbugs.gnu.org; Sun, 17 Jan 2016 15:50:26 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aKuHD-0001z9-MK for submit@debbugs.gnu.org; Sun, 17 Jan 2016 15:50:20 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,FREEMAIL_FROM, T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:40735) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aKuHD-0001z4-Jb for submit@debbugs.gnu.org; Sun, 17 Jan 2016 15:50:19 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56137) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aKuHC-0007aP-LY for bug-gnu-emacs@gnu.org; Sun, 17 Jan 2016 15:50:19 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aKuHB-0001yh-Rj for bug-gnu-emacs@gnu.org; Sun, 17 Jan 2016 15:50:18 -0500 Received: from mail-wm0-x22f.google.com ([2a00:1450:400c:c09::22f]:37195) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aKuHB-0001yd-L9 for bug-gnu-emacs@gnu.org; Sun, 17 Jan 2016 15:50:17 -0500 Received: by mail-wm0-x22f.google.com with SMTP id n5so36582025wmn.0 for ; Sun, 17 Jan 2016 12:50:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=8b2TbePPjfOQMYDrrZuk3kTNxI9LWR/oG/dscjQy7WY=; b=ufiV9QSz3doZtYxEduO9sBuGhcNsCOvkMWtJz3G8cPSiyYNPOeWdMeJQxsT9ALH0oc 0FdMCiH/KkVvjRf3WbqVpA9xyKcqI/J3HHpskTGrSQRsDUqTF6pjI83ZnjOn4K1IMIpH 4yrDQZ5SvjTK5dIsi6w2aejkkuK/CSsPJ7vSxvLXkenz71F+tgtf0F09K+iarRf15q80 M2P7Gz2PSnRkRF8Mpuodq+OmlbGSsQ071ZznAk8PyquGzBVvX6cTaOHy72XOqr8SmN1z ivDGPOJYtVPyWa+XqoZ/7oTIhcsWYLrl6oKzNjLEAy/Qi4EKVbmjRkLb6ubfrnEVycdY fVOQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to :content-type; bh=8b2TbePPjfOQMYDrrZuk3kTNxI9LWR/oG/dscjQy7WY=; b=jzMD7gFO0sdgKmFtbLi2rUqXW8xZ7dVlLrlLQHkNOBLRT9VgUhNcl4JMGkfcRLRe5a stzzLtFZTLwEv3G7v3pLwram4IS/wG7o0qaCK2aiyE3otkihtnoxODVL+4StgHW+ppCY WXiGxuapEUQ3OIYGEckbiRgxwxi5XVxpuwzRHNsHCFN8IKg0OMQyuN09MR/uOtLPEWXL ygfVMuTYtjDuzvvCiIlLdGwztsXeEbKcc327fiIlum3gnxjJmglQX4OkHEa/J1K0PHzv a0C/qnQjPFYjv80+jKwpJw3uMMqnVW7cDHmRTD0Rshw5kgX+knT3XN3zsDPGtWxhCueX A8cw== X-Gm-Message-State: ALoCoQk/NPzD19K39JQgbY9LTFqKmKGwlCmyb0SmszDRQLXXK2BkA0Yq7sA1bevbSWlUFe7SGHJox7afk4wglrY9N4V8IsrNEA== MIME-Version: 1.0 X-Received: by 10.194.176.170 with SMTP id cj10mr20831391wjc.165.1453063816661; Sun, 17 Jan 2016 12:50:16 -0800 (PST) Received: by 10.27.225.4 with HTTP; Sun, 17 Jan 2016 12:50:16 -0800 (PST) Date: Sun, 17 Jan 2016 21:50:16 +0100 Message-ID: From: Dani Moncayo Content-Type: multipart/mixed; boundary=089e013d1de0a1e63b05298dc814 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.0 (----) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -4.0 (----) --089e013d1de0a1e63b05298dc814 Content-Type: text/plain; charset=UTF-8 Recipe from "emacs -Q": 1. Eval: (setq scroll-preserve-screen-position t) (setq scroll-margin 2) 2. Visit the attached file. On my system, I initially see lines 1 to 33. 3. Type 'C-v' I observe that 'C-v' has scrolled the buffer vertically, but only by about a half of the window height (I now see lines 16 to 48). Subsequent 'C-v' commands do the same: they scroll the buffer by a half of the window. This seems wrong. The amount of scrolling should be "a near full screen", as described in 'C-h k C-v'. I observe this bug also in the last 24.5 release. In GNU Emacs 25.0.50.1 (i686-pc-mingw32) of 2016-01-17 built on LEG570 Repository revision: a0d5b7ae3bb014bb0b1c205d123c597df0e76411 Windowing system distributor 'Microsoft Corp.', version 10.0.10586 Configured using: 'configure --host=i686-pc-mingw32 --enable-checking=yes,glyphs' Configured features: XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS Important settings: value of $LANG: ENU locale-coding-system: cp1252 -- Dani Moncayo --089e013d1de0a1e63b05298dc814 Content-Type: application/octet-stream; name=f1 Content-Disposition: attachment; filename=f1 Content-Transfer-Encoding: base64 X-Attachment-Id: f_ijj0m00h0 TDEKTDIKTDMKTDQKTDUKTDYKTDcKTDgKTDkKTDEwCkwxMQpMMTIKTDEzCkwxNApMMTUKTDE2Ckwx NwpMMTgKTDE5CkwyMApMMjEKTDIyCkwyMwpMMjQKTDI1CkwyNgpMMjcKTDI4CkwyOQpMMzAKTDMx CkwzMgpMMzMKTDM0CkwzNQpMMzYKTDM3CkwzOApMMzkKTDQwCkw0MQpMNDIKTDQzCkw0NApMNDUK TDQ2Ckw0NwpMNDgKTDQ5Ckw1MApMNTEKTDUyCkw1MwpMNTQKTDU1Ckw1NgpMNTcKTDU4Ckw1OQpM NjAKTDYxCkw2MgpMNjMKTDY0Ckw2NQpMNjYKTDY3Ckw2OApMNjkKTDcwCkw3MQpMNzIKTDczCkw3 NApMNzUKTDc2Ckw3NwpMNzgKTDc5Ckw4MApMODEKTDgyCkw4MwpMODQKTDg1Ckw4NgpMODcK --089e013d1de0a1e63b05298dc814-- From unknown Sat Aug 16 23:47:32 2025 X-Loop: help-debbugs@gnu.org Subject: bug#22395: 25.0.50; 'C-v' scrolls only a half of the window height Resent-From: martin rudalics Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 18 Jan 2016 10:32:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22395 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Dani Moncayo , 22395@debbugs.gnu.org Received: via spool by 22395-submit@debbugs.gnu.org id=B22395.14531130801913 (code B ref 22395); Mon, 18 Jan 2016 10:32:02 +0000 Received: (at 22395) by debbugs.gnu.org; 18 Jan 2016 10:31:20 +0000 Received: from localhost ([127.0.0.1]:52324 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aL75k-0000Ul-IM for submit@debbugs.gnu.org; Mon, 18 Jan 2016 05:31:20 -0500 Received: from mout.gmx.net ([212.227.17.20]:56114) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aL75i-0000U7-J1 for 22395@debbugs.gnu.org; Mon, 18 Jan 2016 05:31:19 -0500 Received: from [192.168.1.100] ([212.95.7.12]) by mail.gmx.com (mrgmx102) with ESMTPSA (Nemesis) id 0M0Kp7-1a0PNd10O5-00uble; Mon, 18 Jan 2016 11:31:12 +0100 Message-ID: <569CBEDA.6030003@gmx.at> Date: Mon, 18 Jan 2016 11:30:50 +0100 From: martin rudalics MIME-Version: 1.0 References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K0:8slkoNrEOd1BM6MW8XzPXELl8CQLAKSqlDaNsWQzAENWICuxpyZ WtI8onBz25icAn6uEnQJnxdavu2L5hzpUgflKfAHSOXKC0G6V0T0zu9lYZt6wC4LuKQ8kwq 4eI+eTSxUXRXxV3fnf8PFT8wp+qx4Rd7mMN/Xn5pAAJvHB0axYsQCQZmIcySj66224adgib S1gmoOABYD/l/sJit794g== X-UI-Out-Filterresults: notjunk:1;V01:K0:UEDJJF7OwcM=:d1dxLdV6sybx53DecSxBTG jC2IK7EOf5WgKRUQo6ta4FviVx3gHmloSeuxe9ITGQ4XptNW5OCssck6e8k+UESmMMYiA1yN2 UDHVuMDkZMf4UoYIpuHo+gYzPhFqZ844cXb6cO28AjlEc4DxdlODdYXzpl3lR4EknrSBfF3as OEgJ8tTx3AVpEdquXRQcVNBc8p8YBzFK9LB20psuBvtoaARyXKtS0VeMPU0/B3F7uXSo+sgPs ZYr1GJq1dWcv5WxFC3UEG0oJKudDS3/63g6E7ef9E0NQxMh+PgaVBkQXITf/1KuahuHDbEIYb feobyYcf1U2wto/QA549uK39Te5WJtBWLL9KQWqppx2Hw6ZVbch1eSSm5ijm8HrOHms4tik7b +vcSbEc9UNU+GRA3F8OhKmi56C+zCzZqJIrS1bvvmheaCZdVXL8NFF/NwyX12xzwGzRWZmAEQ b9x2Flx9oTg39v1vHBPq3fbIokhmraqomVwOVuSts2uSrB1p5KKBbkgdin5t5XgRWDHix5OdT FsltAmy6F78ygFZTq1Xgl4ntGmTmVMr1cLJyH5x33EGENcj1K+ZUkUio4kqpsSDoGVuXkIggI uKBGecbYEQC0aOx2GExfSess8qmzERKFz0khcpXR7MX5AK3XCBsN5HyMES6nl6OucMwVReAR3 DVNgKF0ylZJb7vLI5vxPanYlqyRb+t52pybkTjmaC3M/NIUdntLXMepIPjXJSoXqpanE+FqGM fQRZwlTLIqgJxo//u2NwdXemFLSUE0nbkNjK9B7cfWjmuYhmCz9VcqHAussGrga0GYNSwJDhv 4yMaTabzjI1cmlRs2swJ3ZpEjt81Q== X-Spam-Score: -0.1 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.1 (/) > Recipe from "emacs -Q": > > 1. Eval: > (setq scroll-preserve-screen-position t) > (setq scroll-margin 2) > > 2. Visit the attached file. > > On my system, I initially see lines 1 to 33. > > 3. Type 'C-v' > > I observe that 'C-v' has scrolled the buffer vertically, but only by > about a half of the window height (I now see lines 16 to 48). > Subsequent 'C-v' commands do the same: they scroll the buffer by a > half of the window. > > This seems wrong. The amount of scrolling should be "a near full > screen", as described in 'C-h k C-v'. > > I observe this bug also in the last 24.5 release. I'm not sure whether it's a bug or a feature. But here I can "fix" your behavior by customizing =E2=80=98scroll-conservatively=E2=80=99 to 101. martin From unknown Sat Aug 16 23:47:32 2025 X-Loop: help-debbugs@gnu.org Subject: bug#22395: 25.0.50; 'C-v' scrolls only a half of the window height Resent-From: Dani Moncayo Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 18 Jan 2016 13:21:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22395 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: martin rudalics Cc: 22395@debbugs.gnu.org Received: via spool by 22395-submit@debbugs.gnu.org id=B22395.145312322223739 (code B ref 22395); Mon, 18 Jan 2016 13:21:02 +0000 Received: (at 22395) by debbugs.gnu.org; 18 Jan 2016 13:20:22 +0000 Received: from localhost ([127.0.0.1]:52388 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aL9jK-0006Ap-2N for submit@debbugs.gnu.org; Mon, 18 Jan 2016 08:20:22 -0500 Received: from mail-wm0-f47.google.com ([74.125.82.47]:36386) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aL9jI-0006Ac-Ju for 22395@debbugs.gnu.org; Mon, 18 Jan 2016 08:20:20 -0500 Received: by mail-wm0-f47.google.com with SMTP id l65so99274213wmf.1 for <22395@debbugs.gnu.org>; Mon, 18 Jan 2016 05:20:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=giJhT1+1l8bEijce1/lJ9nNlHDpFqyg3zqzoAhAgLoM=; b=wxgRsY6mFAdAP7+MBsMlwXaXq/khGz7fTXhlR75XQ1J9SUStbYQsdgnwOl928e4RrG tzTD6hqlbgYw/0JiUT6a71h32NiBRsrc+xOQv8JlVxSDqlvfIq1CYnRAof00Rblc7Nvy E4UF0VT+I4ccZbyQY/o8tkZsXJbbpTrUdR7lMK+OaDVfGmPQ/g9aCTfVpgQkEevczuGD TQ5jeE1s2StaM8Ey5e8kFiTocSE+WOoV9VHKwkFHhrKrYoyP4ZFkjPinGic2JXY2NzWn N/9z8N7EqQWDxXOxSp+/tiwuF4PXBF5yDhUbsOf8rAe2b+XKoGOLqzfhukSFfNjpQiZ4 od8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=giJhT1+1l8bEijce1/lJ9nNlHDpFqyg3zqzoAhAgLoM=; b=E8setm4HLM70z73yJ38ZCsEFntVqdGMNyrogiqOpEvf8jcVPhgUbcKQvgmttaVwYXL oWwBF+MoXEZBh4GnM7veVA02ZGdZCgQU0N7fp2rpYGXHlc0eSBAyQ30xdFry5CmruHfc HD58FqpTpCaIvSB7gZt/JwKPsOBgLIzIey9Z9d1TEQdMVptbHfHdRUrVQO25lTXzYrn2 N/37i9eU7SjKddkhTEef61cemmCAnnwichU1WemvS82zGtj8z+B/m1kgk5W4BWJrdXUR r1OD9qyGnpTbifrzZKDD9831QWMf4UX23CDvbZXmbDJ9ABjPspGov8szggGW65nW6dqs ZCew== X-Gm-Message-State: AG10YOTpzOhCAM+FNm2DLTMMrsVNNdiEEAAvxIK7+KODbGSqrkfqcXTNB/5jPPiz4HRUee2D2+fuHqx3XVbpSw== MIME-Version: 1.0 X-Received: by 10.28.90.67 with SMTP id o64mr12627088wmb.38.1453123215044; Mon, 18 Jan 2016 05:20:15 -0800 (PST) Received: by 10.27.225.4 with HTTP; Mon, 18 Jan 2016 05:20:14 -0800 (PST) In-Reply-To: <569CBEDA.6030003@gmx.at> References: <569CBEDA.6030003@gmx.at> Date: Mon, 18 Jan 2016 14:20:14 +0100 Message-ID: From: Dani Moncayo Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -0.7 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.7 (/) > I'm not sure whether it's a bug or a feature. I fail to see how this could be a feature. > But here I can "fix" your > behavior by customizing =E2=80=98scroll-conservatively=E2=80=99 to 101. That would not solve the underlying problem, and some users (like myself) may prefer another value for 'scroll-conservatively'. --=20 Dani Moncayo From unknown Sat Aug 16 23:47:32 2025 MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) X-Loop: help-debbugs@gnu.org From: help-debbugs@gnu.org (GNU bug Tracking System) To: Dani Moncayo Subject: bug#22395: closed (Re: bug#22395: 25.0.50; 'C-v' scrolls only a half of the window height) Message-ID: References: <83y4bmdfd7.fsf@gnu.org> X-Gnu-PR-Message: they-closed 22395 X-Gnu-PR-Package: emacs Reply-To: 22395@debbugs.gnu.org Date: Mon, 18 Jan 2016 16:26:02 +0000 Content-Type: multipart/mixed; boundary="----------=_1453134362-8889-1" This is a multi-part message in MIME format... ------------=_1453134362-8889-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Your bug report #22395: 25.0.50; 'C-v' scrolls only a half of the window height 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 22395@debbugs.gnu.org. --=20 22395: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D22395 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems ------------=_1453134362-8889-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at 22395-done) by debbugs.gnu.org; 18 Jan 2016 16:25:29 +0000 Received: from localhost ([127.0.0.1]:53046 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aLCcT-0002IX-L5 for submit@debbugs.gnu.org; Mon, 18 Jan 2016 11:25:29 -0500 Received: from eggs.gnu.org ([208.118.235.92]:48101) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aLCcS-0002IL-7h for 22395-done@debbugs.gnu.org; Mon, 18 Jan 2016 11:25:28 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aLCcJ-0002Bg-TL for 22395-done@debbugs.gnu.org; Mon, 18 Jan 2016 11:25:23 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=BAYES_40,RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:33355) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLCcJ-0002Bc-Pj; Mon, 18 Jan 2016 11:25:19 -0500 Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1287 helo=HOME-C4E4A596F7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1aLCcI-0001SN-4F; Mon, 18 Jan 2016 11:25:18 -0500 Date: Mon, 18 Jan 2016 18:25:24 +0200 Message-Id: <83y4bmdfd7.fsf@gnu.org> From: Eli Zaretskii To: Dani Moncayo In-reply-to: (message from Dani Moncayo on Sun, 17 Jan 2016 21:50:16 +0100) Subject: Re: bug#22395: 25.0.50; 'C-v' scrolls only a half of the window height References: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 22395-done Cc: 22395-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Eli Zaretskii Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.0 (-----) > Date: Sun, 17 Jan 2016 21:50:16 +0100 > From: Dani Moncayo > > 1. Eval: > (setq scroll-preserve-screen-position t) > (setq scroll-margin 2) > > 2. Visit the attached file. > > On my system, I initially see lines 1 to 33. > > 3. Type 'C-v' > > I observe that 'C-v' has scrolled the buffer vertically, but only by > about a half of the window height (I now see lines 16 to 48). > Subsequent 'C-v' commands do the same: they scroll the buffer by a > half of the window. > > This seems wrong. The amount of scrolling should be "a near full > screen", as described in 'C-h k C-v'. Start the same recipe from line #3 or greater, and the "bug" goes away. You asked Emacs to do the impossible: preserve the screen position of point at the first window line and also not to allow point to enter the first 2 lines of the window. Emacs didn't know what to do with this conflict. Now it does. ------------=_1453134362-8889-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at submit) by debbugs.gnu.org; 17 Jan 2016 20:50:27 +0000 Received: from localhost ([127.0.0.1]:52080 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aKuHL-00074X-3Q for submit@debbugs.gnu.org; Sun, 17 Jan 2016 15:50:27 -0500 Received: from eggs.gnu.org ([208.118.235.92]:36942) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aKuHJ-00074K-Nt for submit@debbugs.gnu.org; Sun, 17 Jan 2016 15:50:26 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aKuHD-0001z9-MK for submit@debbugs.gnu.org; Sun, 17 Jan 2016 15:50:20 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,FREEMAIL_FROM, T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:40735) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aKuHD-0001z4-Jb for submit@debbugs.gnu.org; Sun, 17 Jan 2016 15:50:19 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56137) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aKuHC-0007aP-LY for bug-gnu-emacs@gnu.org; Sun, 17 Jan 2016 15:50:19 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aKuHB-0001yh-Rj for bug-gnu-emacs@gnu.org; Sun, 17 Jan 2016 15:50:18 -0500 Received: from mail-wm0-x22f.google.com ([2a00:1450:400c:c09::22f]:37195) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aKuHB-0001yd-L9 for bug-gnu-emacs@gnu.org; Sun, 17 Jan 2016 15:50:17 -0500 Received: by mail-wm0-x22f.google.com with SMTP id n5so36582025wmn.0 for ; Sun, 17 Jan 2016 12:50:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=8b2TbePPjfOQMYDrrZuk3kTNxI9LWR/oG/dscjQy7WY=; b=ufiV9QSz3doZtYxEduO9sBuGhcNsCOvkMWtJz3G8cPSiyYNPOeWdMeJQxsT9ALH0oc 0FdMCiH/KkVvjRf3WbqVpA9xyKcqI/J3HHpskTGrSQRsDUqTF6pjI83ZnjOn4K1IMIpH 4yrDQZ5SvjTK5dIsi6w2aejkkuK/CSsPJ7vSxvLXkenz71F+tgtf0F09K+iarRf15q80 M2P7Gz2PSnRkRF8Mpuodq+OmlbGSsQ071ZznAk8PyquGzBVvX6cTaOHy72XOqr8SmN1z ivDGPOJYtVPyWa+XqoZ/7oTIhcsWYLrl6oKzNjLEAy/Qi4EKVbmjRkLb6ubfrnEVycdY fVOQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to :content-type; bh=8b2TbePPjfOQMYDrrZuk3kTNxI9LWR/oG/dscjQy7WY=; b=jzMD7gFO0sdgKmFtbLi2rUqXW8xZ7dVlLrlLQHkNOBLRT9VgUhNcl4JMGkfcRLRe5a stzzLtFZTLwEv3G7v3pLwram4IS/wG7o0qaCK2aiyE3otkihtnoxODVL+4StgHW+ppCY WXiGxuapEUQ3OIYGEckbiRgxwxi5XVxpuwzRHNsHCFN8IKg0OMQyuN09MR/uOtLPEWXL ygfVMuTYtjDuzvvCiIlLdGwztsXeEbKcc327fiIlum3gnxjJmglQX4OkHEa/J1K0PHzv a0C/qnQjPFYjv80+jKwpJw3uMMqnVW7cDHmRTD0Rshw5kgX+knT3XN3zsDPGtWxhCueX A8cw== X-Gm-Message-State: ALoCoQk/NPzD19K39JQgbY9LTFqKmKGwlCmyb0SmszDRQLXXK2BkA0Yq7sA1bevbSWlUFe7SGHJox7afk4wglrY9N4V8IsrNEA== MIME-Version: 1.0 X-Received: by 10.194.176.170 with SMTP id cj10mr20831391wjc.165.1453063816661; Sun, 17 Jan 2016 12:50:16 -0800 (PST) Received: by 10.27.225.4 with HTTP; Sun, 17 Jan 2016 12:50:16 -0800 (PST) Date: Sun, 17 Jan 2016 21:50:16 +0100 Message-ID: Subject: 25.0.50; 'C-v' scrolls only a half of the window height From: Dani Moncayo To: bug-gnu-emacs Content-Type: multipart/mixed; boundary=089e013d1de0a1e63b05298dc814 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.0 (----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -4.0 (----) --089e013d1de0a1e63b05298dc814 Content-Type: text/plain; charset=UTF-8 Recipe from "emacs -Q": 1. Eval: (setq scroll-preserve-screen-position t) (setq scroll-margin 2) 2. Visit the attached file. On my system, I initially see lines 1 to 33. 3. Type 'C-v' I observe that 'C-v' has scrolled the buffer vertically, but only by about a half of the window height (I now see lines 16 to 48). Subsequent 'C-v' commands do the same: they scroll the buffer by a half of the window. This seems wrong. The amount of scrolling should be "a near full screen", as described in 'C-h k C-v'. I observe this bug also in the last 24.5 release. In GNU Emacs 25.0.50.1 (i686-pc-mingw32) of 2016-01-17 built on LEG570 Repository revision: a0d5b7ae3bb014bb0b1c205d123c597df0e76411 Windowing system distributor 'Microsoft Corp.', version 10.0.10586 Configured using: 'configure --host=i686-pc-mingw32 --enable-checking=yes,glyphs' Configured features: XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS Important settings: value of $LANG: ENU locale-coding-system: cp1252 -- Dani Moncayo --089e013d1de0a1e63b05298dc814 Content-Type: application/octet-stream; name=f1 Content-Disposition: attachment; filename=f1 Content-Transfer-Encoding: base64 X-Attachment-Id: f_ijj0m00h0 TDEKTDIKTDMKTDQKTDUKTDYKTDcKTDgKTDkKTDEwCkwxMQpMMTIKTDEzCkwxNApMMTUKTDE2Ckwx NwpMMTgKTDE5CkwyMApMMjEKTDIyCkwyMwpMMjQKTDI1CkwyNgpMMjcKTDI4CkwyOQpMMzAKTDMx CkwzMgpMMzMKTDM0CkwzNQpMMzYKTDM3CkwzOApMMzkKTDQwCkw0MQpMNDIKTDQzCkw0NApMNDUK TDQ2Ckw0NwpMNDgKTDQ5Ckw1MApMNTEKTDUyCkw1MwpMNTQKTDU1Ckw1NgpMNTcKTDU4Ckw1OQpM NjAKTDYxCkw2MgpMNjMKTDY0Ckw2NQpMNjYKTDY3Ckw2OApMNjkKTDcwCkw3MQpMNzIKTDczCkw3 NApMNzUKTDc2Ckw3NwpMNzgKTDc5Ckw4MApMODEKTDgyCkw4MwpMODQKTDg1Ckw4NgpMODcK --089e013d1de0a1e63b05298dc814-- ------------=_1453134362-8889-1-- From unknown Sat Aug 16 23:47:32 2025 X-Loop: help-debbugs@gnu.org Subject: bug#22395: 25.0.50; 'C-v' scrolls only a half of the window height Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 18 Jan 2016 16:27:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22395 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: martin rudalics Cc: 22395@debbugs.gnu.org, dmoncayo@gmail.com Reply-To: Eli Zaretskii Received: via spool by 22395-submit@debbugs.gnu.org id=B22395.14531343948972 (code B ref 22395); Mon, 18 Jan 2016 16:27:01 +0000 Received: (at 22395) by debbugs.gnu.org; 18 Jan 2016 16:26:34 +0000 Received: from localhost ([127.0.0.1]:53052 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aLCdV-0002Ke-Ul for submit@debbugs.gnu.org; Mon, 18 Jan 2016 11:26:34 -0500 Received: from eggs.gnu.org ([208.118.235.92]:48604) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aLCdU-0002KR-Nr for 22395@debbugs.gnu.org; Mon, 18 Jan 2016 11:26:32 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aLCdM-0002WA-Gj for 22395@debbugs.gnu.org; Mon, 18 Jan 2016 11:26:27 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:33383) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLCdM-0002Vw-CY; Mon, 18 Jan 2016 11:26:24 -0500 Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1288 helo=HOME-C4E4A596F7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1aLCdL-0001kP-93; Mon, 18 Jan 2016 11:26:24 -0500 Date: Mon, 18 Jan 2016 18:26:30 +0200 Message-Id: <83wpr6dfbd.fsf@gnu.org> From: Eli Zaretskii In-reply-to: <569CBEDA.6030003@gmx.at> (message from martin rudalics on Mon, 18 Jan 2016 11:30:50 +0100) References: <569CBEDA.6030003@gmx.at> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -5.0 (-----) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.0 (-----) > Date: Mon, 18 Jan 2016 11:30:50 +0100 > From: martin rudalics > > I'm not sure whether it's a bug or a feature. It was a conflict between 2 features. > But here I can "fix" your behavior by customizing > ‘scroll-conservatively’ to 101. Yes, because scroll-conservatively overrides scroll-preserve-screen-position.