From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Uwe Brauer Newsgroups: gmane.emacs.devel Subject: inverse of add-to-list: remove-from-list Date: Tue, 13 Oct 2020 10:42:46 +0200 Message-ID: <87pn5mtt2x.fsf@mat.ucm.es> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="11679"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) To: emacs-devel@gnu.org Cancel-Lock: sha1:IWf54/ArSrSSvbMtt6sXNl94jwU= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Oct 13 10:46:23 2020 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kSFwt-0002uz-EU for ged-emacs-devel@m.gmane-mx.org; Tue, 13 Oct 2020 10:46:23 +0200 Original-Received: from localhost ([::1]:48598 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kSFws-0001rv-F0 for ged-emacs-devel@m.gmane-mx.org; Tue, 13 Oct 2020 04:46:22 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57826) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kSFtf-0007QU-CJ for emacs-devel@gnu.org; Tue, 13 Oct 2020 04:43:03 -0400 Original-Received: from static.214.254.202.116.clients.your-server.de ([116.202.254.214]:33486 helo=ciao.gmane.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kSFtc-0005yt-GQ for emacs-devel@gnu.org; Tue, 13 Oct 2020 04:43:03 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1kSFtT-0008j3-Ae for emacs-devel@gnu.org; Tue, 13 Oct 2020 10:42:51 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: emacs-devel@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@m.gmane-mx.org; helo=ciao.gmane.io X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/13 02:30:00 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:257522 Archived-At: Hi This has always bothered me: for example (add-to-list 'org-export-filter-src-block-functions 'my-html-filter-src-blocks) Adds a function to the variable org-export-filter-src-block-function But there is, as far as I know, no inverse functionality (remove-from-list 'org-export-filter-src-block-functions 'my-html-filter-src-blocks) Does not exist. Wouldn't that be useful? Reason there is add-hook and remove-hook Regards Uwe Brauer