From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.help Subject: Re: C-k messes up display -- have to redraw-display Date: Thu, 04 Aug 2016 08:28:04 +0300 Message-ID: <831t25m7bv.fsf@gnu.org> References: <9d56d493-eaf4-43ab-9fde-246be124f190@googlegroups.com> NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1470288532 13011 195.159.176.226 (4 Aug 2016 05:28:52 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 4 Aug 2016 05:28:52 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Thu Aug 04 07:28:49 2016 Return-path: Envelope-to: geh-help-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 1bVBD6-0002nA-55 for geh-help-gnu-emacs@m.gmane.org; Thu, 04 Aug 2016 07:28:48 +0200 Original-Received: from localhost ([::1]:37871 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bVBD2-0002Z2-Qh for geh-help-gnu-emacs@m.gmane.org; Thu, 04 Aug 2016 01:28:44 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:54341) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bVBCe-0002Yv-1s for help-gnu-emacs@gnu.org; Thu, 04 Aug 2016 01:28:20 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bVBCZ-0002oE-0R for help-gnu-emacs@gnu.org; Thu, 04 Aug 2016 01:28:18 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:58094) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bVBCY-0002oA-Tn for help-gnu-emacs@gnu.org; Thu, 04 Aug 2016 01:28:14 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3943 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1bVBCX-0004ue-Qk for help-gnu-emacs@gnu.org; Thu, 04 Aug 2016 01:28:14 -0400 In-reply-to: (rob.dunne@gmail.com) 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-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:111062 Archived-At: > Date: Wed, 3 Aug 2016 16:22:58 -0700 (PDT) > From: rob.dunne@gmail.com > Injection-Date: Wed, 03 Aug 2016 23:22:58 +0000 > > /tmp/emacs-25.1 > > emacs -Q t.tex #file with 1 letter per line -- a to h > a > b > c > d > e > f > g > h > #I put the cursor at a and press C-k -- it clears to the end of line > #I press C-k again to get rid of the blank line and the display then looks like > b > h > h > h > h > h > h > > M-x redraw display fixes it > b > c > d > e > f > g > h What you describe means that the software that actually draws to the glass doesn't do what Emacs tells it to do. Check the settings of your video hardware -- if there are some "optimization" features there, turn them off, reboot, and try again. If that doesn't help, check your versions and configuration of the X related stuff (Xlib etc.) -- maybe you have some broken version.