From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: removing white space highlight Date: Sun, 21 Feb 2016 01:32:26 +0100 Message-ID: <87vb5ilx7p.fsf@debian.uxu> References: <20160220120357638044819@bob.proulx.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1456014786 9325 80.91.229.3 (21 Feb 2016 00:33:06 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 21 Feb 2016 00:33:06 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Feb 21 01:32:56 2016 Return-path: Envelope-to: geh-help-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 1aXHxG-00053D-D7 for geh-help-gnu-emacs@m.gmane.org; Sun, 21 Feb 2016 01:32:54 +0100 Original-Received: from localhost ([::1]:36643 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aXHxF-0007dj-Ns for geh-help-gnu-emacs@m.gmane.org; Sat, 20 Feb 2016 19:32:53 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:57436) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aXHx4-0007dL-GB for help-gnu-emacs@gnu.org; Sat, 20 Feb 2016 19:32:43 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aXHx1-0003AV-AT for help-gnu-emacs@gnu.org; Sat, 20 Feb 2016 19:32:42 -0500 Original-Received: from plane.gmane.org ([80.91.229.3]:59552) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aXHx1-0003AR-4R for help-gnu-emacs@gnu.org; Sat, 20 Feb 2016 19:32:39 -0500 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1aXHwz-0004kr-AF for help-gnu-emacs@gnu.org; Sun, 21 Feb 2016 01:32:37 +0100 Original-Received: from nl106-137-54.student.uu.se ([130.243.137.54]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 21 Feb 2016 01:32:37 +0100 Original-Received: from embe8573 by nl106-137-54.student.uu.se with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 21 Feb 2016 01:32:37 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Original-Lines: 22 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: nl106-137-54.student.uu.se Mail-Copies-To: never User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) Cancel-Lock: sha1:VhcoxLR0huUpp/mkLxD6qNBJ8+0= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 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-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:109230 Archived-At: Bob Proulx writes: > now that version control is everywhere (among other > things) I am now sensitive to whitespace causing > useless diffs in files. Whitespace that I never > cared about before is now cruft that I always clean > in order to avoid noisy diffs. Of course, there shouldn't be any superfluous whitespace trailing individual text lines *or* the file contents itself. Here one way to do it: ;; (setq before-save-hook nil) (defun before-save-hook-f () (delete-trailing-whitespace) ) (setq before-save-hook #'before-save-hook-f) -- underground experts united http://user.it.uu.se/~embe8573