From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Kan-Ru Chen Newsgroups: gmane.emacs.bugs Subject: bug#10179: 24.0.91; enforcing double-width CJK character display Date: Thu, 01 Dec 2011 21:26:31 +0800 Message-ID: <87ipm04e48.fsf@isil.kanru.info> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1322746092 8486 80.91.229.12 (1 Dec 2011 13:28:12 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 1 Dec 2011 13:28:12 +0000 (UTC) To: 10179@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Dec 01 14:28:08 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RW6gJ-0007nv-TJ for geb-bug-gnu-emacs@m.gmane.org; Thu, 01 Dec 2011 14:28:08 +0100 Original-Received: from localhost ([::1]:46925 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RW6gI-0005Lw-72 for geb-bug-gnu-emacs@m.gmane.org; Thu, 01 Dec 2011 08:28:06 -0500 Original-Received: from eggs.gnu.org ([140.186.70.92]:36777) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RW6gB-0005Li-45 for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2011 08:28:05 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RW6g5-0005uK-G4 for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2011 08:27:59 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:47033) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RW6g5-0005uG-Ea for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2011 08:27:53 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1RW6gE-0000i8-8p for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2011 08:28:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Kan-Ru Chen Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 01 Dec 2011 13:28:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 10179 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.13227460272665 (code B ref -1); Thu, 01 Dec 2011 13:28:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 1 Dec 2011 13:27:07 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RW6fK-0000gw-QJ for submit@debbugs.gnu.org; Thu, 01 Dec 2011 08:27:07 -0500 Original-Received: from eggs.gnu.org ([140.186.70.92]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RW6fI-0000gp-W6 for submit@debbugs.gnu.org; Thu, 01 Dec 2011 08:27:05 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RW6f4-0005nP-Is for submit@debbugs.gnu.org; Thu, 01 Dec 2011 08:26:56 -0500 Original-Received: from lists.gnu.org ([140.186.70.17]:40802) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RW6f4-0005nC-Bt for submit@debbugs.gnu.org; Thu, 01 Dec 2011 08:26:50 -0500 Original-Received: from eggs.gnu.org ([140.186.70.92]:36561) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RW6ey-0005EB-Mv for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2011 08:26:50 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RW6es-0005gj-Nf for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2011 08:26:44 -0500 Original-Received: from mail-gx0-f169.google.com ([209.85.161.169]:64586) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RW6es-0005ga-KF for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2011 08:26:38 -0500 Original-Received: by ggnq4 with SMTP id q4so2168319ggn.0 for ; Thu, 01 Dec 2011 05:26:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=sender:from:to:subject:date:message-id:mime-version:content-type; bh=M94X1KLsost9W/x59x7B2ObqExOrrBWW5fjdnoWUnak=; b=usw1+NG549+sMVbaD5sVGL42ghWZKuDVduuCIT+Dmis3eTjLHSpOoyqHNCy8qoiUXe r+IPpgcOGNiin6jEPLE3OKMGFoAz4txB4OTFYY47HdTFz2aKaWoJiByczroXpO5Rcu6f BADv9rGYgFqzwbIC71Fm73omzFOd/A0YNrXXA= Original-Received: by 10.236.186.2 with SMTP id v2mr11397059yhm.83.1322745996671; Thu, 01 Dec 2011 05:26:36 -0800 (PST) Original-Received: from isil.kanru.info (61-228-155-84.dynamic.hinet.net. [61.228.155.84]) by mx.google.com with ESMTPS id h28sm15236580ani.17.2011.12.01.05.26.34 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 01 Dec 2011 05:26:35 -0800 (PST) Original-Received: from localhost.localdomain ([127.0.0.1] helo=isil.kanru.info) by isil.kanru.info with esmtp (Exim 4.77) (envelope-from ) id 1RW6el-0007UX-8F for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2011 21:26:31 +0800 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Thu, 01 Dec 2011 08:28:02 -0500 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:54536 Archived-At: Discussion was started by Werner LEMBERG in this thread: https://lists.gnu.org/archive/html/emacs-devel/2011-07/msg00938.html Currently Emacs chooses fonts that has width close to the width of the default font. But the font may have smaller advance width so a double width character will not be rendered as wide as twice of a latin character. I set `face-font-rescale-alist' for every font that might be used as a workaround: (setq face-font-rescale-alist '(("WenQuanYi Micro Hei" . 1.2) ("cwTexYen" . 1.35) ("AR Heiti Light B5" . 1.2))) Ideally this should be calculated and applied automatically (I believe the information has been exported to lisp but haven't find a good way to manipulate the font-object) or the display engine should add padding to double-width font so they are rendered nicely. -- Kanru