From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: What is a preferred charset? Date: Wed, 21 Nov 2018 18:04:34 +0200 Message-ID: <83pnuyh0x9.fsf@gnu.org> References: <87zhu24h0b.fsf@gmx.net> NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1542817172 25409 195.159.176.226 (21 Nov 2018 16:19:32 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 21 Nov 2018 16:19:32 +0000 (UTC) Cc: emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Nov 21 17:19:27 2018 Return-path: Envelope-to: ged-emacs-devel@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 1gPVDr-0006UW-N7 for ged-emacs-devel@m.gmane.org; Wed, 21 Nov 2018 17:19:27 +0100 Original-Received: from localhost ([::1]:40050 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gPVFx-0003k9-Tv for ged-emacs-devel@m.gmane.org; Wed, 21 Nov 2018 11:21:37 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:38483) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gPV9w-0007oO-7g for emacs-devel@gnu.org; Wed, 21 Nov 2018 11:15:28 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gPUzK-0003zg-3r for emacs-devel@gnu.org; Wed, 21 Nov 2018 11:04:30 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:50589) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gPUzH-0003y5-PJ; Wed, 21 Nov 2018 11:04:23 -0500 Original-Received: from [176.228.60.248] (port=1714 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1gPUzG-0006tZ-BV; Wed, 21 Nov 2018 11:04:23 -0500 In-reply-to: (message from Stefan Monnier on Wed, 21 Nov 2018 10:40:42 -0500) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e 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:231295 Archived-At: > From: Stefan Monnier > Date: Wed, 21 Nov 2018 10:40:42 -0500 > > And IIUC the only impact it has is on the choice of font to display it. > For latin chars, this tends to make no difference, but for some Asian > scripts it can make a much more significant difference because the same > Unicode chars are used for different languages even though they are > traditionally rendered differently in those different languages. It can also have effect on Latin characters in Far Eastern locales, because the default font might display them as double-width or something. > IOW, I think this `charset` property is used to solve the problems > descried at https://en.wikipedia.org/wiki/Han_unification Not only. Some scripts need special support from the font, and AFAIR this property also helps with that.