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: Change a symbol's plist member with (let ...)? Date: Mon, 17 Mar 2014 01:49:49 +0100 Message-ID: <8738ihtzrm.fsf@gmail.com> References: <87wqfwo4yp.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1395017345 19744 80.91.229.3 (17 Mar 2014 00:49:05 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 17 Mar 2014 00:49:05 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Mar 17 01:49:13 2014 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 1WPLjt-0005KW-Is for geh-help-gnu-emacs@m.gmane.org; Mon, 17 Mar 2014 01:49:13 +0100 Original-Received: from localhost ([::1]:55032 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WPLjt-0001Oc-93 for geh-help-gnu-emacs@m.gmane.org; Sun, 16 Mar 2014 20:49:13 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:36415) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WPLje-0001NV-In for help-gnu-emacs@gnu.org; Sun, 16 Mar 2014 20:49:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WPLjY-0000Ai-NP for help-gnu-emacs@gnu.org; Sun, 16 Mar 2014 20:48:58 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:54887) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WPLjY-0000Ad-GU for help-gnu-emacs@gnu.org; Sun, 16 Mar 2014 20:48:52 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1WPLjX-0004w3-0e for help-gnu-emacs@gnu.org; Mon, 17 Mar 2014 01:48:51 +0100 Original-Received: from e178061081.adsl.alicedsl.de ([85.178.61.81]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 17 Mar 2014 01:48:51 +0100 Original-Received: from tjolitz by e178061081.adsl.alicedsl.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 17 Mar 2014 01:48:51 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 17 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: e178061081.adsl.alicedsl.de User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) Cancel-Lock: sha1:AwKrS8da7RxJioXDSJJW4Cp/bLg= 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:96545 Archived-At: Stefan writes: >> For the sake of this example, say I want to "con" the function >> `derived-mode-p' and make it believe outline-mode is actually derived >> from lisp-mode (or so ...). > > In case this is not just a silly example, I'd have to ask why on earth > would you do that? Thats why I said "For the sake of this example...", its just a contrived example used to abstract away the detailles of my real use case (that is about functions in Org-mode that start with (when (derived-mode-p 'org-mode) ...) but otherwise do exactly what I want ... -- cheers, Thorsten