From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#19993: 25.0.50; Unicode fonts defective on Windows Date: Wed, 11 Mar 2015 06:28:54 +0200 Message-ID: <834mps5f95.fsf@gnu.org> References: <20150306162136.GA14179@math.berkeley.edu> <83r3t1nax7.fsf@gnu.org> <83oao5n83y.fsf@gnu.org> <20150306221351.GB16266@math.berkeley.edu> <83k2ytmd9q.fsf@gnu.org> <20150308083805.GA1763@math.berkeley.edu> <20150308084607.GA2135@math.berkeley.edu> <20150310162945.GA30876@math.berkeley.edu> <83a8zk6avh.fsf@gnu.org> <838uf4697w.fsf@gnu.org> <20150310203224.GA325@math.berkeley.edu> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT X-Trace: ger.gmane.org 1426048229 8446 80.91.229.3 (11 Mar 2015 04:30:29 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 11 Mar 2015 04:30:29 +0000 (UTC) Cc: 19993@debbugs.gnu.org To: Ilya Zakharevich Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Mar 11 05:30:18 2015 Return-path: Envelope-to: geb-bug-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 1YVYHg-0000Lu-72 for geb-bug-gnu-emacs@m.gmane.org; Wed, 11 Mar 2015 05:30:16 +0100 Original-Received: from localhost ([::1]:52586 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YVYHf-0001sk-BL for geb-bug-gnu-emacs@m.gmane.org; Wed, 11 Mar 2015 00:30:15 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46239) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YVYHb-0001sY-MR for bug-gnu-emacs@gnu.org; Wed, 11 Mar 2015 00:30:12 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YVYHX-0001El-Fd for bug-gnu-emacs@gnu.org; Wed, 11 Mar 2015 00:30:11 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:43583) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YVYHX-0001DI-Cw for bug-gnu-emacs@gnu.org; Wed, 11 Mar 2015 00:30:07 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1YVYHV-0007xi-Rb for bug-gnu-emacs@gnu.org; Wed, 11 Mar 2015 00:30:06 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 11 Mar 2015 04:30:05 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 19993 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 19993-submit@debbugs.gnu.org id=B19993.142604815430514 (code B ref 19993); Wed, 11 Mar 2015 04:30:05 +0000 Original-Received: (at 19993) by debbugs.gnu.org; 11 Mar 2015 04:29:14 +0000 Original-Received: from localhost ([127.0.0.1]:42151 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YVYGf-0007w6-HG for submit@debbugs.gnu.org; Wed, 11 Mar 2015 00:29:13 -0400 Original-Received: from mtaout28.012.net.il ([80.179.55.184]:57445) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YVYGb-0007vq-NZ for 19993@debbugs.gnu.org; Wed, 11 Mar 2015 00:29:11 -0400 Original-Received: from conversion-daemon.mtaout28.012.net.il by mtaout28.012.net.il (HyperSendmail v2007.08) id <0NL1009005GRAI00@mtaout28.012.net.il> for 19993@debbugs.gnu.org; Wed, 11 Mar 2015 06:27:33 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by mtaout28.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NL1006J35PW6J30@mtaout28.012.net.il>; Wed, 11 Mar 2015 06:27:33 +0200 (IST) In-reply-to: <20150310203224.GA325@math.berkeley.edu> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x 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:100367 Archived-At: > Date: Tue, 10 Mar 2015 13:32:24 -0700 > From: Ilya Zakharevich > Cc: 19993@debbugs.gnu.org > > • on your system > • with Symbola installed > • with the default configuration > I presume that Math Alphabeticals are not shown (but ARE shown when > Symbola is EXPLICITLY marked as the default font for them). If you mean the Mathematical Alphanumeric Symbols block, then they are indeed not shown, although I have quite a few fonts that support that range, not just Symbola. > WHY? I don't know. > With my conjectures, the explanation would be that a certain other > font on the system has the Math Alphabeticals Subset “identified”, so > this font is chosen by Emacs — but in reality, this font does not > support the whole subset, so the needed glyphs are missing. (For > example, DejaVu has Monospaced range, and nothing else. [Well, the > glyphs in the Monospaced range are totally broken, but that is > irrelevant for the current discussion!]) Did you try to uninstall DejaVu (and any other font that claims support for this range, but doesn't really cover these characters), and see what happens then? If the problem persists, then this is not the real reason. > Without my conjecture, what would be your explanation? I don't have one. I could hypothesize, say, that Emacs simply lacks some wisdom to find a font for that range, but I think you will be much better off studying the relevant code and walking through it with a debugger, than by asking me for explanations in these matters, about which I know very little.