From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#17522: diff-mode frustrates attempt to correct corrupted diff file. Date: Sun, 18 May 2014 10:50:55 +0000 Message-ID: <20140518105055.GA3727@acm.acm> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1400410595 1697 80.91.229.3 (18 May 2014 10:56:35 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 18 May 2014 10:56:35 +0000 (UTC) To: 17522@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun May 18 12:56:28 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WlylX-0000gc-F5 for geb-bug-gnu-emacs@m.gmane.org; Sun, 18 May 2014 12:56:27 +0200 Original-Received: from localhost ([::1]:43058 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WlylX-00072h-52 for geb-bug-gnu-emacs@m.gmane.org; Sun, 18 May 2014 06:56:27 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42440) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WlylL-00072c-KJ for bug-gnu-emacs@gnu.org; Sun, 18 May 2014 06:56:25 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Wlyl9-0000Pe-Ah for bug-gnu-emacs@gnu.org; Sun, 18 May 2014 06:56:15 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:53062) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wlyl9-0000Pa-7n for bug-gnu-emacs@gnu.org; Sun, 18 May 2014 06:56:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Wlyl8-0003NI-P0 for bug-gnu-emacs@gnu.org; Sun, 18 May 2014 06:56:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 18 May 2014 10:56:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 17522 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.140041054412939 (code B ref -1); Sun, 18 May 2014 10:56:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 18 May 2014 10:55:44 +0000 Original-Received: from localhost ([127.0.0.1]:51939 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Wlykp-0003Mb-Lu for submit@debbugs.gnu.org; Sun, 18 May 2014 06:55:44 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:40660) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Wlykl-0003MJ-Om for submit@debbugs.gnu.org; Sun, 18 May 2014 06:55:40 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WlykW-0000M0-LY for submit@debbugs.gnu.org; Sun, 18 May 2014 06:55:34 -0400 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:55983) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WlykW-0000Lw-Ir for submit@debbugs.gnu.org; Sun, 18 May 2014 06:55:24 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42347) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WlykO-0006jt-Tn for bug-gnu-emacs@gnu.org; Sun, 18 May 2014 06:55:24 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WlykH-0000EA-Fi for bug-gnu-emacs@gnu.org; Sun, 18 May 2014 06:55:16 -0400 Original-Received: from colin.muc.de ([193.149.48.1]:33930 helo=mail.muc.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WlykH-00009e-77 for bug-gnu-emacs@gnu.org; Sun, 18 May 2014 06:55:09 -0400 Original-Received: (qmail 24752 invoked by uid 3782); 18 May 2014 10:55:05 -0000 Original-Received: from acm.muc.de (pD951A2D8.dip0.t-ipconnect.de [217.81.162.216]) by colin.muc.de (tmda-ofmipd) with ESMTP; Sun, 18 May 2014 12:55:04 +0200 Original-Received: (qmail 3921 invoked by uid 1000); 18 May 2014 10:50:55 -0000 Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de X-detected-operating-system: by eggs.gnu.org: FreeBSD 8.x X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:89206 Archived-At: Hi, Emacs. On GNU Emacs 24.4.50.2 (x86_64-unknown-linux-gnu, GTK+ Version 3.8.7) of 2014-04-19 on acm.acm , I have a diff which has been corrupted during transmission by email. I have loaded this diff into a Diff Mode buffer. At the head of one of the hunks appears: @@ -3155,115 +3160,38 @ , and three times in the hunk a long line has got split somehow, like this: - (message "Eval error in the `c-lang-defvar' or `c-lang-setvar' for `%s'%s: %S" . When I attempt to correct the patch by removing the spurious line feed using M-^, the header line is (silently) corrupted by replacing the two "number of lines" fields with zeros, thusly: @@ -3155,0 +3160,0 @ . This is surely a bug. The workaround seems to be to use Fundamental Mode. -- Alan Mackenzie (Nuremberg, Germany).