From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Robert Thorpe Newsgroups: gmane.emacs.help Subject: Re: Why is `(1 . width)` zero? Date: Tue, 19 Jan 2021 06:53:57 +0000 Message-ID: <87v9btwh6i.fsf@robertthorpeconsulting.com> References: <20210118085113.7rz2pnm2t5sn7y3k@jo-so.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31506"; mail-complaints-to="usenet@ciao.gmane.io" Cc: help-gnu-emacs@gnu.org To: =?utf-8?Q?J=C3=B6rg?= Sommer Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jan 19 07:58:19 2021 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 1l1ky3-00086r-05 for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 19 Jan 2021 07:58:19 +0100 Original-Received: from localhost ([::1]:54318 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l1ky2-0002Hs-2X for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 19 Jan 2021 01:58:18 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:43210) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l1kuU-0008Es-Ro for help-gnu-emacs@gnu.org; Tue, 19 Jan 2021 01:54:39 -0500 Original-Received: from outbound-smtp17.blacknight.com ([46.22.139.234]:42525) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l1kuQ-0005Yy-7X for help-gnu-emacs@gnu.org; Tue, 19 Jan 2021 01:54:37 -0500 Original-Received: from mail.blacknight.com (pemlinmail01.blacknight.ie [81.17.254.10]) by outbound-smtp17.blacknight.com (Postfix) with ESMTPS id 23D5A1C3ED1 for ; Tue, 19 Jan 2021 06:54:28 +0000 (GMT) Original-Received: (qmail 4848 invoked from network); 19 Jan 2021 06:54:28 -0000 Original-Received: from unknown (HELO rt-inspiron-3480) (rt@robertthorpeconsulting.com@[109.76.74.4]) by 81.17.254.9 with ESMTPSA (AES256-SHA encrypted, authenticated); 19 Jan 2021 06:54:27 -0000 In-Reply-To: <20210118085113.7rz2pnm2t5sn7y3k@jo-so.de> (message from =?utf-8?Q?J=C3=B6rg?= Sommer on Mon, 18 Jan 2021 09:51:13 +0100) Received-SPF: pass client-ip=46.22.139.234; envelope-from=rt@robertthorpeconsulting.com; helo=outbound-smtp17.blacknight.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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:127296 Archived-At: J=C3=B6rg Sommer writes: > [1:text/plain Hide] > > Hi, > > I'm using GNU Emacs=C2=A027.1=C2=B9 with X and the font DejaVu Sans Mono.= I would like > to align a text on the right side and thought I can use this: > > ```lisp > (let* ((text " abcd") > (len (length text)) > ) > (add-text-properties 0 1 `(display (space :align-to (- text (,len . wid= th)))) text) > (insert "\n" (format "%S" text) "\n" text "\n")) > ``` I don't understand your problem. But I this snippet looks wrong: > (- text (,len . width)) You can't do arithmetic on a pair. BR, Robert Thorpe