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#64420: string-width of =?UTF-8?Q?=E2=80=A6?= is 2 in CJK environments Date: Sun, 13 Aug 2023 08:24:21 +0300 Message-ID: <83sf8ncy62.fsf@gnu.org> References: <83jzuz93rh.fsf@gnu.org> <837cq9sfcc.fsf@gnu.org> <83wmy2gm5h.fsf@gnu.org> <4B239A5E-0878-4304-8C28-FEEC1EBC1B4E@gmail.com> <0db0f93a-bcbc-39d3-d92a-02fff66b4887@gutov.dev> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="18324"; mail-complaints-to="usenet@ciao.gmane.io" Cc: itaemu@gmail.com, casouri@gmail.com, 64420@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Aug 13 07:25:33 2023 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 1qV3bX-0004Xi-Vu for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 13 Aug 2023 07:25:32 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qV3bF-0004sR-BR; Sun, 13 Aug 2023 01:25:13 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qV3b7-0004rc-Jk for bug-gnu-emacs@gnu.org; Sun, 13 Aug 2023 01:25:05 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qV3b5-00070U-42 for bug-gnu-emacs@gnu.org; Sun, 13 Aug 2023 01:25:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1qV3b4-0002To-VK for bug-gnu-emacs@gnu.org; Sun, 13 Aug 2023 01:25:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 13 Aug 2023 05:25:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 64420 X-GNU-PR-Package: emacs Original-Received: via spool by 64420-submit@debbugs.gnu.org id=B64420.16919042739474 (code B ref 64420); Sun, 13 Aug 2023 05:25:02 +0000 Original-Received: (at 64420) by debbugs.gnu.org; 13 Aug 2023 05:24:33 +0000 Original-Received: from localhost ([127.0.0.1]:57930 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qV3aa-0002Sk-In for submit@debbugs.gnu.org; Sun, 13 Aug 2023 01:24:32 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47978) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qV3aW-0002SJ-Jv for 64420@debbugs.gnu.org; Sun, 13 Aug 2023 01:24:29 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qV3aR-0006jt-D8; Sun, 13 Aug 2023 01:24:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=Hgof76J6BU+9MTZkM9+5byJdqSKInJ+b0N8HtWOYGYc=; b=Bmkw2aVEuy4hHi6puY67 u1YVAsCs4UsnMAdza3Vbks1y8LsMmF6bV+2kCTmMbYT/kmzlhOOCagvn4mEB08rrWH9r9txX8pxd6 ioP2Z+z6qZtOpkS7sh0tTYFMk/BJbn4EFBrPMYEVboId4VymKj8UdPZuhJ90QSG9LbCAeCW4jHp8p 7t3J0mzG6l1aCNl5JjPrljpmBevuXpH/2+DdnWiKG8Ng67eXAa59h98B37UFTJ8Da1NkZOsDXoUXj aqa7iswpChxtajbmJY41jqcO29P/ufEfx8su4sYma1ghQGb3h203My8ElcihueR8A4HGPGuV4Nxw9 RhrIpIs+iJGgjA==; In-Reply-To: <0db0f93a-bcbc-39d3-d92a-02fff66b4887@gutov.dev> (message from Dmitry Gutov on Sun, 13 Aug 2023 03:22:41 +0300) 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:267339 Archived-At: > Date: Sun, 13 Aug 2023 03:22:41 +0300 > Cc: itaemu@gmail.com, 64420@debbugs.gnu.org > From: Dmitry Gutov > > On 11/08/2023 21:07, Yuan Fu wrote: > > On GUI display, the later-half of the ambiguous characters are definitely wider than one char, but they aren’t quite 2 chars wide either. But I guess it doesn’t matter too much since one should use pixel size on GUI anyway. > > BTW, I think most double-width characters on GUI are less than 2 > characters wide? > > So the point here would be that some "ambiguous" ones are still wider > than 1, I guess. According to Yuan, at least in his environment those characters have a width that is closer to 2 than to 1. In which case using 2 would produce better alignment. Of course, using string-pixel-width will produce an even better alignment.