From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#31588: 26.1; format counts some Unicode characters as two Date: Fri, 25 May 2018 09:37:32 +0300 Message-ID: <83lgc89r6b.fsf@gnu.org> References: <87in7cfti2.fsf@gmail.com> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: blaine.gmane.org 1527230168 32153 195.159.176.226 (25 May 2018 06:36:08 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 25 May 2018 06:36:08 +0000 (UTC) Cc: 31588@debbugs.gnu.org, jpa4q@virginia.edu To: Noam Postavsky Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri May 25 08:36:03 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fM6KY-0008Cy-M4 for geb-bug-gnu-emacs@m.gmane.org; Fri, 25 May 2018 08:36:02 +0200 Original-Received: from localhost ([::1]:42115 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fM6Md-00011K-PX for geb-bug-gnu-emacs@m.gmane.org; Fri, 25 May 2018 02:38:11 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52461) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fM6MX-000114-BX for bug-gnu-emacs@gnu.org; Fri, 25 May 2018 02:38:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fM6MU-0004cu-9i for bug-gnu-emacs@gnu.org; Fri, 25 May 2018 02:38:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:39403) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fM6MU-0004co-6Q for bug-gnu-emacs@gnu.org; Fri, 25 May 2018 02:38:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1fM6MT-0005sM-WD for bug-gnu-emacs@gnu.org; Fri, 25 May 2018 02:38:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 25 May 2018 06:38:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31588 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 31588-submit@debbugs.gnu.org id=B31588.152723025122550 (code B ref 31588); Fri, 25 May 2018 06:38:01 +0000 Original-Received: (at 31588) by debbugs.gnu.org; 25 May 2018 06:37:31 +0000 Original-Received: from localhost ([127.0.0.1]:47300 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fM6Ly-0005re-OS for submit@debbugs.gnu.org; Fri, 25 May 2018 02:37:30 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:33128) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fM6Lx-0005rQ-5n for 31588@debbugs.gnu.org; Fri, 25 May 2018 02:37:29 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fM6Lo-0004Pz-UZ for 31588@debbugs.gnu.org; Fri, 25 May 2018 02:37:24 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:52433) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fM6Lo-0004Pt-RS; Fri, 25 May 2018 02:37:20 -0400 Original-Received: from [176.228.60.248] (port=1315 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1fM6Lo-0007WQ-7r; Fri, 25 May 2018 02:37:20 -0400 In-reply-to: <87in7cfti2.fsf@gmail.com> (message from Noam Postavsky on Thu, 24 May 2018 20:50:45 -0400) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:146536 Archived-At: > From: Noam Postavsky > Date: Thu, 24 May 2018 20:50:45 -0400 > Cc: 31588@debbugs.gnu.org > > > As far as I can tell, something is off about the styled_format and how > > it counts characters- I suspect something about counting > > multibyte characters, but it's a little beyond me. > > I think it's intended, ➖ and ❌ are wide characters: > > (mapcar #'char-width '(?➖ ?❌ ?▶ ?✚ ?▷ ?◼)) > ;=> (2 2 1 1 1 1) Yes, that's the reason. > Although in my current font the width seems to be more like 1.8 or > something. Unfortunately, the actual width depends on the font, and what's more, sometimes varies significantly between different fonts. Maybe we should have a variant of char-width that actually looks at the font (of course, such a variant will need a window or frame as one of its arguments). But with the current state of our support for wide characters, this is not a bug.