From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: kees@altium.nl (Kees Bakker) Newsgroups: gmane.emacs.bugs,gmane.emacs.pretest.bugs Subject: bug#3688: 23.1.50; TAB in C style comment causes cursor jump Date: Fri, 26 Jun 2009 11:59:59 +0200 (CEST) Message-ID: <20090626095959.50B5B40313@koli.tasking.nl> Reply-To: Kees Bakker , 3688@emacsbugs.donarmstrong.com NNTP-Posting-Host: lo.gmane.org X-Trace: ger.gmane.org 1246013876 30067 80.91.229.12 (26 Jun 2009 10:57:56 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 26 Jun 2009 10:57:56 +0000 (UTC) To: emacs-pretest-bug@gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Jun 26 12:57:49 2009 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1MK97s-0002dR-O4 for geb-bug-gnu-emacs@m.gmane.org; Fri, 26 Jun 2009 12:57:49 +0200 Original-Received: from localhost ([127.0.0.1]:49843 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MK97s-0002ra-9G for geb-bug-gnu-emacs@m.gmane.org; Fri, 26 Jun 2009 06:57:48 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MK8Ut-0001xT-4D for bug-gnu-emacs@gnu.org; Fri, 26 Jun 2009 06:17:31 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MK8Uo-0001qP-Nz for bug-gnu-emacs@gnu.org; Fri, 26 Jun 2009 06:17:30 -0400 Original-Received: from [199.232.76.173] (port=58865 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MK8Uo-0001pt-3z for bug-gnu-emacs@gnu.org; Fri, 26 Jun 2009 06:17:26 -0400 Original-Received: from rzlab.ucr.edu ([138.23.92.77]:36302) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1MK8Un-0001pu-KF for bug-gnu-emacs@gnu.org; Fri, 26 Jun 2009 06:17:25 -0400 Original-Received: from rzlab.ucr.edu (rzlab.ucr.edu [127.0.0.1]) by rzlab.ucr.edu (8.14.3/8.14.3/Debian-5) with ESMTP id n5QAHMJv015433; Fri, 26 Jun 2009 03:17:24 -0700 Original-Received: (from debbugs@localhost) by rzlab.ucr.edu (8.14.3/8.14.3/Submit) id n5QA595d012995; Fri, 26 Jun 2009 03:05:09 -0700 X-Loop: owner@emacsbugs.donarmstrong.com Resent-From: kees@altium.nl (Kees Bakker) Resent-To: bug-submit-list@donarmstrong.com Resent-CC: Emacs Bugs Resent-Date: Fri, 26 Jun 2009 10:05:09 +0000 Resent-Message-ID: Resent-Sender: owner@emacsbugs.donarmstrong.com X-Emacs-PR-Message: report 3688 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Original-Received: via spool by submit@emacsbugs.donarmstrong.com id=B.124601041811698 (code B ref -1); Fri, 26 Jun 2009 10:05:09 +0000 Original-Received: (at submit) by emacsbugs.donarmstrong.com; 26 Jun 2009 10:00:18 +0000 X-Spam-Bayes: score:0.5 Bayes not run. spammytokens:Tokens not available. hammytokens:Tokens not available. Original-Received: from fencepost.gnu.org (fencepost.gnu.org [140.186.70.10]) by rzlab.ucr.edu (8.14.3/8.14.3/Debian-5) with ESMTP id n5QA0B3R011676 for ; Fri, 26 Jun 2009 03:00:13 -0700 Original-Received: from mx10.gnu.org ([199.232.76.166]:37805) by fencepost.gnu.org with esmtp (Exim 4.67) (envelope-from ) id 1MK8E7-0005Uu-7Z for emacs-pretest-bug@gnu.org; Fri, 26 Jun 2009 06:00:11 -0400 Original-Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1MK8E2-0007TM-Fs for emacs-pretest-bug@gnu.org; Fri, 26 Jun 2009 06:00:10 -0400 Original-Received: from ns2.tasking.nl ([195.193.207.10]:4965) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1MK8E1-0007S3-UC for emacs-pretest-bug@gnu.org; Fri, 26 Jun 2009 06:00:06 -0400 Original-Received: from leonino.tasking.nl (nl-fg300a-1-dmz.tasking.nl [172.16.1.8]) by ns2.tasking.nl (8.14.3/8.14.3) with ESMTP id n5Q9xxgc029369 for ; Fri, 26 Jun 2009 11:59:59 +0200 (MEST) Original-Received: from koli.tasking.nl (koli.tasking.nl [172.17.1.96]) by leonino.tasking.nl (8.14.3/8.14.3) with ESMTP id n5Q9xxgS001273 for ; Fri, 26 Jun 2009 11:59:59 +0200 (MEST) Original-Received: by koli.tasking.nl (Postfix, from userid 269) id 50B5B40313; Fri, 26 Jun 2009 11:59:59 +0200 (CEST) X-detected-operating-system: by monty-python.gnu.org: OpenBSD 3.0-3.9 X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) Resent-Date: Fri, 26 Jun 2009 06:17:30 -0400 X-Mailman-Approved-At: Fri, 26 Jun 2009 06:49:20 -0400 X-BeenThere: bug-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:28986 gmane.emacs.pretest.bugs:24701 Archived-At: The following C example, with just 2 lines of comments (first is incomplete), shows the problem. The second line has a comment which ends with 3 TABs and then the closing C comment. When you go back to the first line and type a space after the => you'll see that the cursor jumps back 21 positions. (The 21 appears to be equal to NumOfTabs * (8-1)). /*type a space here=> /* 3 tabs following after this=> */ In GNU Emacs 23.1.50.1 (i486-pc-linux-gnu, GTK+ Version 2.12.12) of 2009-06-26 on koli, modified by Debian Windowing system distributor `The X.Org Foundation', version 11.0.10402000 configured using `configure '--build=i486-linux-gnu' '--host=i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var/lib' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs23:/etc/emacs:/usr/local/share/emacs/23.1.50/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.1.50/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/23.1.50/leim' '--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars' 'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -g -O2' 'LDFLAGS=-g' 'CPPFLAGS='' Important settings: value of $LC_ALL: nil value of $LC_COLLATE: POSIX value of $LC_CTYPE: nil value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: en_US.utf8 value of $XMODIFIERS: nil locale-coding-system: utf-8-unix default-enable-multibyte-characters: t Major mode: C/lah Minor modes in effect: tooltip-mode: t tool-bar-mode: t mouse-wheel-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t global-auto-composition-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t column-number-mode: t line-number-mode: t transient-mark-mode: t abbrev-mode: t Recent input: / t m p / t e m 2 SPC C-h a b u g Recent messages: Loading /etc/emacs/site-start.d/50vc-svn.el (source)...done Loading /etc/emacs/site-start.d/70x-face-el.el (source)...done For information about GNU Emacs and the GNU system, type C-h C-a. Invalid or undefined bitmap `default' [4 times] kb/c-mode-customize Invalid or undefined bitmap `default' [4 times] Undo! Type C-x 1 to remove help window. Invalid or undefined bitmap `default' Beginning of buffer Beginning of buffer