From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#47712: 27.1; Provide `string-display-width` function, which takes properties into account, `substring-width` Date: Mon, 12 Apr 2021 20:09:08 +0300 Message-ID: <834kgb2zwr.fsf@gnu.org> References: <642c8a37-31c7-2723-12af-06cd7f120c2f@daniel-mendler.de> <83r1jg2q72.fsf@gnu.org> <83lf9n3d7x.fsf@gnu.org> <1c8f7066-3da2-d960-11e7-a42f567432bd@daniel-mendler.de> <83im4r3agk.fsf@gnu.org> <83czuz39jw.fsf@gnu.org> <83blaj37yi.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="23073"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 47712@debbugs.gnu.org To: Daniel Mendler Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Apr 12 19:10:22 2021 Return-path: Envelope-to: geb-bug-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 1lW04s-0005uI-99 for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 12 Apr 2021 19:10:22 +0200 Original-Received: from localhost ([::1]:49938 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lW04r-0005Q7-Ax for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 12 Apr 2021 13:10:21 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:41658) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lW04b-0005PQ-Tg for bug-gnu-emacs@gnu.org; Mon, 12 Apr 2021 13:10:08 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:46392) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lW04Y-0000oT-Cm for bug-gnu-emacs@gnu.org; Mon, 12 Apr 2021 13:10:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lW04Y-0004qI-3H for bug-gnu-emacs@gnu.org; Mon, 12 Apr 2021 13:10:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 12 Apr 2021 17:10:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 47712 X-GNU-PR-Package: emacs Original-Received: via spool by 47712-submit@debbugs.gnu.org id=B47712.161824737418577 (code B ref 47712); Mon, 12 Apr 2021 17:10:02 +0000 Original-Received: (at 47712) by debbugs.gnu.org; 12 Apr 2021 17:09:34 +0000 Original-Received: from localhost ([127.0.0.1]:57938 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lW046-0004pY-2W for submit@debbugs.gnu.org; Mon, 12 Apr 2021 13:09:34 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:57034) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lW044-0004pC-9v for 47712@debbugs.gnu.org; Mon, 12 Apr 2021 13:09:32 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:58838) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lW03y-0000Vc-JB; Mon, 12 Apr 2021 13:09:26 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:4992 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1lW03x-0000Xv-Tg; Mon, 12 Apr 2021 13:09:26 -0400 In-Reply-To: (message from Daniel Mendler on Mon, 12 Apr 2021 16:36:05 +0200) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:203925 Archived-At: > Cc: 47712@debbugs.gnu.org > From: Daniel Mendler > Date: Mon, 12 Apr 2021 16:36:05 +0200 > > One may still discuss the implementation of a > `substring-width` API which generalizes `string-width`. > > (defun string-width (s) > (substring-width s 0 (length s))) > > (defun substring-width (s a b) > (string-width (substring s a b))) Why not simply extend string-width to accept 2 optional arguments?