From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: =?utf-8?Q?=C3=93scar_Fuentes?= Newsgroups: gmane.emacs.devel Subject: Re: Fill column indicator functionality Date: Fri, 15 Mar 2019 16:15:14 +0100 Message-ID: <878sxgb24d.fsf@telefonica.net> References: <20190309132207.w2ho3j6p5on6fyzw@Ergus> <838sxo87gc.fsf@gnu.org> <20190311104814.kp2nv6arv47hcykz@Ergus> <83y35l4ee0.fsf@gnu.org> <20190312152928.73o4b5fk4paz7wm5@Ergus> <834l883w15.fsf@gnu.org> <20190312192017.fkfd4h5gsbdue5q3@Ergus> <83imwm3fxf.fsf@gnu.org> <20190313200225.dpqrw7xthkj47fqw@Ergus> <83bm2e35a1.fsf@gnu.org> <20190314030224.l5zseslncw3xc5ox@Ergus> <835zsm2c2s.fsf@gnu.org> <303612d8-e691-f753-84c9-f462d88262b6@gmail.com> <83d0ms1to4.fsf@gnu.org> <234b0a33-65e5-5170-47ce-c0eaab762aef@gmail.com> <87d0msb59x.fsf@telefonica.net> <733bd3bb-143a-33fc-86ca-f2ad0259d868@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="266620"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.90 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Mar 15 16:19:21 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1h4ocA-001770-55 for ged-emacs-devel@m.gmane.org; Fri, 15 Mar 2019 16:19:18 +0100 Original-Received: from localhost ([127.0.0.1]:57204 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h4oc4-00079S-14 for ged-emacs-devel@m.gmane.org; Fri, 15 Mar 2019 11:19:12 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:58542) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h4oYM-0004GT-ER for emacs-devel@gnu.org; Fri, 15 Mar 2019 11:15:23 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h4oYL-00081j-Ia for emacs-devel@gnu.org; Fri, 15 Mar 2019 11:15:22 -0400 Original-Received: from [195.159.176.226] (port=35458 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1h4oYL-00081S-7r for emacs-devel@gnu.org; Fri, 15 Mar 2019 11:15:21 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.89) (envelope-from ) id 1h4oYK-0012YZ-92 for emacs-devel@gnu.org; Fri, 15 Mar 2019 16:15:20 +0100 X-Injected-Via-Gmane: http://gmane.org/ Cancel-Lock: sha1:L5d8+S35hQ6LHlp6q0PtClU9w2w= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 195.159.176.226 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:234167 Archived-At: Clément Pit-Claudel writes: > On 15/03/2019 10.07, Óscar Fuentes wrote: >> What I'm missing? > > I this I see what caused the confusion. There are two answers: > > - First, at least one of the examples I mentioned involves changes in > line height, not in character width; that's the part I worry most > about. Yes, I've seen this quite often: Emacs chooses a font for some unicode char and the line height is altered. > - Second, I believe the 80-character limits is usually intended to > serve as a bound on the width of the text on display (the assumption > being that short lines are easier to read than long ones, and that > keeping a limited width makes it easier to show multiple text > fragments side by side). When the text is monospace, it's natural to > express the limit in terms of a number of characters. When the text is > displayed in a variable-pitch font, the natural equivalent is to > express the limit in pixels or em units. IOW, a long lines indicator > still makes sense even for variable-pitch fonts; you just don't want > it to count characters. This is more about typesetting than anything else. As long as Emacs has no real WYSIWYG word-processing capabilities, IMHO the lack of this feature on that context is not important.