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#24918: 25.1; Fonts can make Emacs grind to a halt Date: Wed, 30 Nov 2016 17:09:11 +0200 Message-ID: <83oa0xqa20.fsf@gnu.org> References: <8360nvfedz.fsf@gnu.org> <83inrue97n.fsf@gnu.org> <83lgwc96nn.fsf@gnu.org> <83lgw3zjvf.fsf@gnu.org> <20161129231751.GA7839@breton.holly.idiocy.org> 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 1480518714 32418 195.159.176.226 (30 Nov 2016 15:11:54 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 30 Nov 2016 15:11:54 +0000 (UTC) Cc: 24918@debbugs.gnu.org, bauer.klaus.dieter@gmail.com To: Alan Third Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Nov 30 16:11:45 2016 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 1cC6Xw-0007DK-Fd for geb-bug-gnu-emacs@m.gmane.org; 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Wed, 30 Nov 2016 10:10:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 30 Nov 2016 15:10:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 24918 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 24918-submit@debbugs.gnu.org id=B24918.14805185561711 (code B ref 24918); Wed, 30 Nov 2016 15:10:02 +0000 Original-Received: (at 24918) by debbugs.gnu.org; 30 Nov 2016 15:09:16 +0000 Original-Received: from localhost ([127.0.0.1]:47643 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cC6VY-0000RX-IU for submit@debbugs.gnu.org; Wed, 30 Nov 2016 10:09:16 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:41227) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cC6VW-0000RL-QW for 24918@debbugs.gnu.org; Wed, 30 Nov 2016 10:09:15 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cC6VQ-0006Qk-Go for 24918@debbugs.gnu.org; Wed, 30 Nov 2016 10:09:09 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:55975) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cC6VQ-0006Qg-EW; Wed, 30 Nov 2016 10:09:08 -0500 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:2119 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1cC6VP-00070O-Mj; Wed, 30 Nov 2016 10:09:08 -0500 In-reply-to: <20161129231751.GA7839@breton.holly.idiocy.org> (message from Alan Third on Tue, 29 Nov 2016 23:17:51 +0000) 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:126308 Archived-At: > Date: Tue, 29 Nov 2016 23:17:51 +0000 > From: Alan Third > Cc: Eli Zaretskii , 24918@debbugs.gnu.org > > I experience these slow‐downs too on my work (Windows 10) PC. > > I found that I could reduce the delays by defining fallback > fonts explicitly using: > > (set-face-attribute 'default nil :font "Droid Sans Mono") > (set-fontset-font nil 'unicode "DejaVu Sans" nil 'append) > (set-fontset-font nil 'unicode "Courier New" nil 'append) > (set-fontset-font nil 'unicode "Symbola" nil 'append) > > but it doesn’t get rid of them completely. Your font-spec argument in the above doesn't specify the registry. See the definitions in fontset.el (search for "Symbola") for a better way, which I think should avoid the delays.