From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: jorge.alfaro-murillo@yale.edu (Jorge A. Alfaro-Murillo) Newsgroups: gmane.emacs.help Subject: Re: Doing things only in a particular mode Date: Wed, 26 Aug 2015 15:35:09 -0400 Message-ID: <87bndtn8r6.fsf@yale.edu> References: <87fv38o4di.fsf@yale.edu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; format=flowed X-Trace: ger.gmane.org 1440617765 14775 80.91.229.3 (26 Aug 2015 19:36:05 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 26 Aug 2015 19:36:05 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Aug 26 21:35:56 2015 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 1ZUgUD-0004aj-Qx for geh-help-gnu-emacs@m.gmane.org; Wed, 26 Aug 2015 21:35:53 +0200 Original-Received: from localhost ([::1]:40543 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZUgUD-0007pG-2g for geh-help-gnu-emacs@m.gmane.org; Wed, 26 Aug 2015 15:35:53 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52038) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZUgTp-0007oy-4g for help-gnu-emacs@gnu.org; Wed, 26 Aug 2015 15:35:34 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZUgTl-0000gT-2k for help-gnu-emacs@gnu.org; Wed, 26 Aug 2015 15:35:29 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:35206) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZUgTk-0000fy-SK for help-gnu-emacs@gnu.org; Wed, 26 Aug 2015 15:35:25 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1ZUgTe-000489-KS for help-gnu-emacs@gnu.org; Wed, 26 Aug 2015 21:35:18 +0200 Original-Received: from 130.132.236.141 ([130.132.236.141]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 26 Aug 2015 21:35:18 +0200 Original-Received: from jorge.alfaro-murillo by 130.132.236.141 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 26 Aug 2015 21:35:18 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 27 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 130.132.236.141 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) Cancel-Lock: sha1:p4JMDaE7ujk7IbOg4a+bCSWIC4o= 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:106857 Archived-At: Stefan Monnier writes: >>> Note that I use `-1` as the argument to `visual-line-mode`. > > I do the same and recommend others do that as well. I like better: (foo-mode 1) ; on (foo-mode 0) ; off It looks like a on/off switch. >>> IIRC an argument of 0 would actually activate the mode. >> That is wrong, > > Indeed, it's wrong. But whether 0 is negative or positive or > both or neither is a long discussion, so by using -1 you > completely side step the issue. A positive number is a number bigger than zero. Zero is not bigger than zero, so it is not a positive number. It is also not a negative number, since it is not smaller than zero. -- Jorge.