From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: bojohan+news@dd.chalmers.se (Johan =?utf-8?Q?Bockg=C3=A5rd?=) Newsgroups: gmane.emacs.help Subject: Re: how to temporarily remove a function from a hook? Date: Thu, 09 Jul 2009 13:14:41 +0200 Message-ID: References: <87ab3elgpl.fsf@galatea.local> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1247138156 32556 80.91.229.12 (9 Jul 2009 11:15:56 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 9 Jul 2009 11:15:56 +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 Jul 09 13:15:49 2009 Return-path: Envelope-to: geh-help-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 1MOrbQ-0005rQ-KU for geh-help-gnu-emacs@m.gmane.org; Thu, 09 Jul 2009 13:15:48 +0200 Original-Received: from localhost ([127.0.0.1]:58622 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MOrbP-0000oL-Dz for geh-help-gnu-emacs@m.gmane.org; Thu, 09 Jul 2009 07:15:47 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MOrak-0000mM-UK for help-gnu-emacs@gnu.org; Thu, 09 Jul 2009 07:15:06 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MOrae-0000gO-5P for help-gnu-emacs@gnu.org; Thu, 09 Jul 2009 07:15:05 -0400 Original-Received: from [199.232.76.173] (port=34824 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MOrad-0000g3-TQ for help-gnu-emacs@gnu.org; Thu, 09 Jul 2009 07:14:59 -0400 Original-Received: from main.gmane.org ([80.91.229.2]:48740 helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1MOrad-00008X-GI for help-gnu-emacs@gnu.org; Thu, 09 Jul 2009 07:14:59 -0400 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1MOrab-0001Pz-4s for help-gnu-emacs@gnu.org; Thu, 09 Jul 2009 11:14:57 +0000 Original-Received: from remote2.student.chalmers.se ([129.16.29.80]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 09 Jul 2009 11:14:57 +0000 Original-Received: from bojohan+news by remote2.student.chalmers.se with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 09 Jul 2009 11:14:57 +0000 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Original-Lines: 25 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: remote2.student.chalmers.se Mail-Copies-To: never User-Agent: Gnus/5.110009 (No Gnus v0.9) Emacs/23.0.94 (gnu/linux) Cancel-Lock: sha1:rlbYp7PfeAZQmUki1iBNw7Ia0jo= X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:65890 Archived-At: Barry Margolin writes: > Or: > > (let ((foo-hook foo-hook)) > (remove-hook 'bar 'foo-hook) > ...) > > This doesn't violate the abstraction of remove-hook. (add-hook 'foo-hook 'global) (add-hook 'foo-hook 'local nil t) (list (default-value 'foo-hook) foo-hook) => ((global) (local t)) (let ((foo-hook foo-hook)) (remove-hook 'foo-hook 'global)) (list (default-value 'foo-hook) foo-hook) => (nil (local t))