From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: pjb@informatimago.com (Pascal J. Bourguignon) Newsgroups: gmane.emacs.help Subject: Re: how to temporarily remove a function from a hook? Date: Thu, 09 Jul 2009 04:42:46 +0200 Organization: Informatimago Message-ID: <87ab3elgpl.fsf@galatea.local> References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1247110848 28655 80.91.229.12 (9 Jul 2009 03:40:48 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 9 Jul 2009 03:40:48 +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 Jul 09 05:40:41 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 1MOkUz-0002Lb-Ax for geh-help-gnu-emacs@m.gmane.org; Thu, 09 Jul 2009 05:40:41 +0200 Original-Received: from localhost ([127.0.0.1]:48586 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MOkUy-0000V8-Ps for geh-help-gnu-emacs@m.gmane.org; Wed, 08 Jul 2009 23:40:40 -0400 Original-Path: news.stanford.edu!newsfeed.stanford.edu!goblin2!goblin.stu.neva.ru!feeder.erje.net!newsfeed.straub-nv.de!feeder1-2.proxad.net!proxad.net!feeder2-2.proxad.net!cleanfeed4-a.proxad.net!nnrp15-1.free.fr!not-for-mail Original-Newsgroups: gnu.emacs.help Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwAQMAAABtzGvEAAAABlBMVEUAAAD///+l2Z/dAAAA oElEQVR4nK3OsRHCMAwF0O8YQufUNIQRGIAja9CxSA55AxZgFO4coMgYrEDDQZWPIlNAjwq9 033pbOBPtbXuB6PKNBn5gZkhGa86Z4x2wE67O+06WxGD/HCOGR0deY3f9Ijwwt7rNGNf6Oac l/GuZTF1wFGKiYYHKSFAkjIo1b6sCYS1sVmFhhhahKQssRjRT90ITWUk6vvK3RsPGs+M1RuR mV+hO/VvFAAAAABJRU5ErkJggg== X-Accept-Language: fr, es, en X-Disabled: X-No-Archive: no User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/22.3 (darwin) Cancel-Lock: sha1:YTk3MDhiYjM1MTRhNjliNjFhNDhjOTUwMmRjZDc5NjgyZjc1Yjk1Mw== Original-Lines: 23 Original-NNTP-Posting-Date: 09 Jul 2009 04:42:47 MEST Original-NNTP-Posting-Host: 88.182.134.169 Original-X-Trace: 1247107367 news-4.free.fr 9965 88.182.134.169:56808 Original-X-Complaints-To: abuse@proxad.net Original-Xref: news.stanford.edu gnu.emacs.help:170673 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:65876 Archived-At: Kevin Rodgers writes: > What is the right way to temporarily remove a function from a hook? > > > My best guess is: > > (let ((foo-hook (progn (remove-hook 'bar 'foo-hook) foo-hook))) > ...) This won't work, because remove-hook actually modifies the outside variable foo-hook. Write simply: (let ((foo-hook (remove 'bar foo-hook))) ...) -- __Pascal Bourguignon__