From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s)?= Newsgroups: gmane.emacs.bugs Subject: bug#5312: Why is =?utf-8?q?=E2=80=98show-trailing-whitespace?= =?utf-8?b?4oCZ?= considered unsafe? Date: Wed, 06 Jan 2010 16:13:14 +0100 Message-ID: <87r5q3w9kl.fsf@gnu.org> References: <87vdfiqake.fsf@gnu.org> <87hbqz3a8h.fsf@gnu.org> Reply-To: Ludovic =?UTF-8?Q?Court=C3=A8s , ?=5312@debbugs.gnu.org NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1262800411 26524 80.91.229.12 (6 Jan 2010 17:53:31 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 6 Jan 2010 17:53:31 +0000 (UTC) Cc: 5312@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jan 06 18:53:23 2010 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 1NSa4P-0006Dq-Ej for geb-bug-gnu-emacs@m.gmane.org; Wed, 06 Jan 2010 18:53:21 +0100 Original-Received: from localhost ([127.0.0.1]:39846 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NSa4P-0003cF-U9 for geb-bug-gnu-emacs@m.gmane.org; Wed, 06 Jan 2010 12:53:21 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NSY83-00006C-UD for bug-gnu-emacs@gnu.org; Wed, 06 Jan 2010 10:49:00 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NSY7w-0008T9-RZ for bug-gnu-emacs@gnu.org; Wed, 06 Jan 2010 10:48:59 -0500 Original-Received: from [199.232.76.173] (port=55491 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NSY7w-0008T1-Hd for bug-gnu-emacs@gnu.org; Wed, 06 Jan 2010 10:48:52 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:37387) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1NSY7w-0005CF-8I for bug-gnu-emacs@gnu.org; Wed, 06 Jan 2010 10:48:52 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1NSXix-0002LM-JD; Wed, 06 Jan 2010 10:23:03 -0500 X-Loop: bug-gnu-emacs@gnu.org Mail-Followup-To: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s), ?= 5312@debbugs.gnu.org Resent-From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s)?= Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 06 Jan 2010 15:23:03 +0000 Resent-Message-ID: Resent-Sender: bug-gnu-emacs@gnu.org X-Emacs-PR-Message: followup 5312 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Original-Received: via spool by 5312-submit@debbugs.gnu.org id=B5312.12627913298953 (code B ref 5312); Wed, 06 Jan 2010 15:23:03 +0000 Original-Received: (at 5312) by debbugs.gnu.org; 6 Jan 2010 15:22:09 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1NSXi5-0002KI-Ga for submit@debbugs.gnu.org; Wed, 06 Jan 2010 10:22:09 -0500 Original-Received: from mail2-relais-roc.national.inria.fr ([192.134.164.83]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1NSXZY-0002Et-AX for 5312@debbugs.gnu.org; Wed, 06 Jan 2010 10:13:21 -0500 X-IronPort-AV: E=Sophos;i="4.49,229,1262559600"; d="scan'208";a="40875646" Original-Received: from laptop-147-210-128-170.labri.fr (HELO nixey) ([147.210.128.170]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES128-SHA; 06 Jan 2010 16:13:14 +0100 X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 17 =?UTF-8?Q?Niv=C3=B4se?= an 218 de la =?UTF-8?Q?R=C3=A9volution?= X-PGP-Key-ID: 0xEA52ECF4 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 83C4 F8E5 10A3 3B4C 5BEA D15D 77DD 95E2 EA52 ECF4 X-OS: x86_64-unknown-linux-gnu In-Reply-To: (Stefan Monnier's message of "Wed, 06 Jan 2010 09:24:03 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) X-Spam-Score: -6.2 (------) X-Mailman-Approved-At: Wed, 06 Jan 2010 10:22:06 -0500 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list X-Spam-Score: -6.1 (------) Resent-Date: Wed, 06 Jan 2010 10:23:03 -0500 X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) X-Mailman-Approved-At: Wed, 06 Jan 2010 12:42:18 -0500 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: , 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:34002 Archived-At: Hi, Stefan Monnier writes: > Of course, maybe you can come up with file formats where trailing > whitespaces are seriously problematic as well. I just can't think of > any off the top of my head. Trailing whitespaces can lead to pointless conflicts when applying patches. See, e.g., http://www.mail-archive.com/libvir-list@redhat.com/msg04896.html . In this thread, the project=E2=80=99s policy is to get rid of them, and =E2=80=98show-trailing-whitespace=E2=80=99 in =E2=80=98.dir-locals.el=E2=80= =99 or similar would definitely help. Thanks, Ludo=E2=80=99.