From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: =?utf-8?Q?=C3=93scar_Fuentes?= Newsgroups: gmane.emacs.help Subject: Re: Height of Unicode chars is not right Date: Tue, 22 Sep 2015 19:12:27 +0200 Message-ID: <87oagu4bus.fsf@wanadoo.es> References: <1d60e77d-ab45-46e5-b0c7-39c653a9fda8@googlegroups.com> <87si664cs9.fsf@wanadoo.es> <83vbb2l705.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1442942006 12065 80.91.229.3 (22 Sep 2015 17:13:26 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 22 Sep 2015 17:13:26 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Sep 22 19:13:16 2015 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZeR7x-0007gt-Mh for geh-help-gnu-emacs@m.gmane.org; Tue, 22 Sep 2015 19:13:13 +0200 Original-Received: from localhost ([::1]:41651 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZeR7x-0004VD-2D for geh-help-gnu-emacs@m.gmane.org; Tue, 22 Sep 2015 13:13:13 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56786) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZeR7m-0004UO-8L for help-gnu-emacs@gnu.org; Tue, 22 Sep 2015 13:13:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZeR7h-0001y2-A3 for help-gnu-emacs@gnu.org; Tue, 22 Sep 2015 13:13:02 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:42792) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZeR7h-0001xS-4Y for help-gnu-emacs@gnu.org; Tue, 22 Sep 2015 13:12:57 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1ZeR7Q-0007Bq-Cq for help-gnu-emacs@gnu.org; Tue, 22 Sep 2015 19:12:40 +0200 Original-Received: from 64.red-83-40-122.dynamicip.rima-tde.net ([83.40.122.64]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 22 Sep 2015 19:12:40 +0200 Original-Received: from ofv by 64.red-83-40-122.dynamicip.rima-tde.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 22 Sep 2015 19:12:40 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 19 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 64.red-83-40-122.dynamicip.rima-tde.net User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) Cancel-Lock: sha1:MLk0yFw/m7NaMMvpr5jL/WvYmcU= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:107289 Archived-At: Eli Zaretskii writes: >> It is worth a try (Deja Vu Sans Mono covers a lot too), altough as >> mentioned on my previous message, Emacs sometimes uses another font when >> the default one encodes the Unicode char. On a discussion with an Emacs >> hacker long time ago he mentioned that maybe such font does not correcty >> report the chars it covers. > > Emacs doesn't open fonts it considers for a given character, to avoid > a long delay when many fonts are tried (opening a font is expensive). > Without opening a font, it is impossible to know with 100% certainty > whether a font that declares coverage of some range of characters > indeed includes a glyph for each character in that range. On the case I mention above the problem migth consist on the font *not* declaring some ranges, then Emacs switching to another font for the characters on those ranges, right? [snip]