From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.help Subject: Re: setting of local variable in derived mode Date: Wed, 30 Mar 2016 08:46:48 -0400 Message-ID: References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1459342532 4820 80.91.229.3 (30 Mar 2016 12:55:32 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 30 Mar 2016 12:55:32 +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 Mar 30 14:55:24 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 1alFec-0002AH-Sh for geh-help-gnu-emacs@m.gmane.org; Wed, 30 Mar 2016 14:55:23 +0200 Original-Received: from localhost ([::1]:54009 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1alFec-00021p-5i for geh-help-gnu-emacs@m.gmane.org; Wed, 30 Mar 2016 08:55:22 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43306) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1alFYp-0001dc-GR for help-gnu-emacs@gnu.org; Wed, 30 Mar 2016 08:49:27 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1alFYm-0008R3-3j for help-gnu-emacs@gnu.org; Wed, 30 Mar 2016 08:49:23 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:55404) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1alFYl-0008Qw-T9 for help-gnu-emacs@gnu.org; Wed, 30 Mar 2016 08:49:20 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1alFXe-0005XK-M6 for help-gnu-emacs@gnu.org; Wed, 30 Mar 2016 14:48:10 +0200 Original-Received: from 23.91.145.163 ([23.91.145.163]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 30 Mar 2016 14:48:10 +0200 Original-Received: from monnier by 23.91.145.163 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 30 Mar 2016 14:48:10 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 13 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 23.91.145.163 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) Cancel-Lock: sha1:H7HOkIW8+N5qbF/a69SKg03ZWeA= 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:109690 Archived-At: >> > I expect this to set the tab-width in all buffers with this mode to the >> > value 30. However, the value stays at 8 as before. >> What makes you think it's set at 8? What did you do to check that? > The output of C-h v tab-width tells me that it's value is 8. Hmm... sorry for assuming this was the usual trivial problem. Indeed, you bumped into another trivial problem: (set (make-local-variable 'tab-with) 30) ^^^^ d -- Stefan