From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Thorsten Jolitz Newsgroups: gmane.emacs.help Subject: Re: Does erase-buffer reset buffer-local variables to nil? Date: Thu, 28 Feb 2013 01:51:27 +0100 Message-ID: <87lia91cs0.fsf@gmail.com> References: <87ppzl1j29.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1362012948 15225 80.91.229.3 (28 Feb 2013 00:55:48 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 28 Feb 2013 00:55:48 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Thu Feb 28 01:56:12 2013 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 1UArn9-0004HF-Ga for geh-help-gnu-emacs@m.gmane.org; Thu, 28 Feb 2013 01:56:11 +0100 Original-Received: from localhost ([::1]:47998 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UArmo-0006dp-Fd for geh-help-gnu-emacs@m.gmane.org; Wed, 27 Feb 2013 19:55:50 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:40630) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UArmZ-0006dg-1G for help-gnu-emacs@gnu.org; Wed, 27 Feb 2013 19:55:37 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UArmY-0005Vk-65 for help-gnu-emacs@gnu.org; Wed, 27 Feb 2013 19:55:34 -0500 Original-Received: from plane.gmane.org ([80.91.229.3]:51956) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UArio-0004WE-St for help-gnu-emacs@gnu.org; Wed, 27 Feb 2013 19:51:43 -0500 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1UArj5-0002MG-6E for help-gnu-emacs@gnu.org; Thu, 28 Feb 2013 01:51:59 +0100 Original-Received: from g231110222.adsl.alicedsl.de ([92.231.110.222]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 28 Feb 2013 01:51:59 +0100 Original-Received: from tjolitz by g231110222.adsl.alicedsl.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 28 Feb 2013 01:51:59 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 19 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: g231110222.adsl.alicedsl.de User-Agent: Gnus/5.130002 (Ma Gnus v0.2) Emacs/24.2 (gnu/linux) Cancel-Lock: sha1:sjADGqIWm0w0efL20ObjhsgGmo4= 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:89287 Archived-At: Thorsten Jolitz writes: > I face the problem that I set a buffer-local variable in one function, > and find its value to be nil later on in another function. In between, > 'revert-buffer' is called with a revert-buffer-function that uses > erase-buffer. Following up to my own post: I figured out that its not 'erase-buffer' that is the culprit, but a temporary change of major-mode, because by convention: ,------------------------------------------------------------------------- | The major mode command should start by calling kill-all-local-variables... `------------------------------------------------------------------------- -- cheers, Thorsten