From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: Re: How to count number of C-u prefixes? Date: Fri, 4 Feb 2022 18:25:53 +0300 Message-ID: References: <87bkzmiu0l.fsf@zoho.eu> <8735kyisb9.fsf@zoho.eu> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="33649"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.1.5+104 (cd3a5c8) (2022-01-09) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Feb 04 16:28:38 2022 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 1nG0Vq-0008Zb-2K for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 04 Feb 2022 16:28:38 +0100 Original-Received: from localhost ([::1]:35140 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nG0Vo-00016W-P6 for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 04 Feb 2022 10:28:36 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:58692) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nG0Ud-00014I-DH for help-gnu-emacs@gnu.org; Fri, 04 Feb 2022 10:27:26 -0500 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:47165) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nG0Ua-0003rK-9J for help-gnu-emacs@gnu.org; Fri, 04 Feb 2022 10:27:22 -0500 Original-Received: from localhost ([::ffff:41.75.189.214]) (AUTH: PLAIN admin, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 0000000000067F39.0000000061FD45A8.00001F53; Fri, 04 Feb 2022 08:26:32 -0700 Mail-Followup-To: help-gnu-emacs@gnu.org Content-Disposition: inline In-Reply-To: <8735kyisb9.fsf@zoho.eu> Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 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:135747 Archived-At: * Emanuel Berg via Users list for the GNU Emacs text editor [2022-02-04 18:08]: > Oh, oh! Incorrect order of argument mentioned in docstring ... Am I supposed to mention arguments by their order in docstrin? > Also instead of C-u use \\[universal-argument]. Thanks, I got it. > > (let* ((times (if (= prefix 1) 1 (log prefix 4))) > > What, when prefix is 1 one has it C-u 0 times :) > > You just need (log prefix 4), if prefix is 1 that will be > > (log 1 4) ; 0 > > since always x^0 = 1 Yes, but it does not work that way. -- Jean Take action in Free Software Foundation campaigns: https://www.fsf.org/campaigns In support of Richard M. Stallman https://stallmansupport.org/