From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.help Subject: Re: non-nil not valid any more? Date: Thu, 11 Jun 2020 20:10:44 +0200 Message-ID: <87zh994gnv.fsf@web.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="72034"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:Jiyc5na9VKXQ2zYGGgs+PqdS4wk= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jun 11 20:13:01 2020 Return-path: Envelope-to: geh-help-gnu-emacs@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 1jjRhE-000IdH-5f for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 11 Jun 2020 20:13:00 +0200 Original-Received: from localhost ([::1]:40036 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jjRhC-0006Wc-29 for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 11 Jun 2020 14:12:59 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:58860) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jjRfB-0006Vj-3y for help-gnu-emacs@gnu.org; Thu, 11 Jun 2020 14:10:53 -0400 Original-Received: from ciao.gmane.io ([159.69.161.202]:56500) by eggs.gnu.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jjRf9-0004YN-Oc for help-gnu-emacs@gnu.org; Thu, 11 Jun 2020 14:10:52 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1jjRf7-000GWy-VY for help-gnu-emacs@gnu.org; Thu, 11 Jun 2020 20:10:49 +0200 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=159.69.161.202; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/11 13:58:43 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: 1 X-Spam_score: 0.1 X-Spam_bar: / X-Spam_report: (0.1 / 5.0 requ) BAYES_00=-1.9, FREEMAIL_FORGED_FROMDOMAIN=1, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 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-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:123330 Archived-At: Andreas Röhler writes: > Hi, > > IIRC it was possible to write something like > > (if non-nil (message "%s" "Wahr")(message "%s" "Falsch")) > > Now get > > Debugger entered--Lisp error: (void-variable non-nil) Are you sure it wasn't quoted: (if 'non-nil (message "%s" "Wahr")(message "%s" "Falsch")) or did you define the symbol `non-nil' as a variable (with a non-nil value)? :non-nil would work, too. Michael.