From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: hline Date: Thu, 07 Jan 2021 23:44:44 +0100 Message-ID: <878s94pdsz.fsf@zoho.eu> References: <87sg7ds1wp.fsf@zoho.eu> <87a6tksrdj.fsf@mbork.pl> Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="39350"; 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:tYraT2IJ6MP+9cU4TV9nD4J/HQI= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Jan 08 00:12:55 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 1kxeSc-000A98-TX for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 08 Jan 2021 00:12:54 +0100 Original-Received: from localhost ([::1]:33300 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kxeSb-0007Oy-Vp for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 07 Jan 2021 18:12:54 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51098) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kxe4u-0001mq-NY for help-gnu-emacs@gnu.org; Thu, 07 Jan 2021 17:48:28 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:41630) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kxe4s-0004jj-E4 for help-gnu-emacs@gnu.org; Thu, 07 Jan 2021 17:48:23 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1kxe4p-0002vX-IA for help-gnu-emacs@gnu.org; Thu, 07 Jan 2021 23:48:19 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.248, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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:127060 Archived-At: Marcin Borkowski wrote: >> (defun hline (&optional char) >> (interactive "P") >> (let ((len (- (window-width) (current-column) 1)) >> (c (or char ?-)) ) >> (insert (make-string len c)) )) > > Funny how I wrote an almost identical function just two days > ago... Though I used (1- (window-width)), since in my use > case I knew that (current-column) would be zero. > > Anybody knows why it is necessary to subtract 1? Eh... "anybody"? ... [74] column number 74 [X] you are here * = you want to write the char here $ = but not here .. = etc * * * * $ .. [01] ... [74] [X] [76] [77] [78] [79] [80] so 4 chars. compute: (- 80 75 1) ; 4 -- underground experts united http://user.it.uu.se/~embe8573 https://dataswamp.org/~incal