From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Suggest installing more fonts? Date: Fri, 16 Oct 2020 15:40:11 -0400 Message-ID: References: <87wnzqa1be.fsf@gnus.org> <83y2k6v378.fsf@gnu.org> <83tuuuuygf.fsf@gnu.org> <83pn5iuxds.fsf@gnu.org> <83ft6euq7a.fsf@gnu.org> <83eelyuhwe.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7633"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Gregory Heytings , larsi@gnus.org, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Oct 16 21:41:47 2020 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kTVbm-0001ry-1b for ged-emacs-devel@m.gmane-mx.org; Fri, 16 Oct 2020 21:41:46 +0200 Original-Received: from localhost ([::1]:51300 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kTVbl-0002ij-2C for ged-emacs-devel@m.gmane-mx.org; Fri, 16 Oct 2020 15:41:45 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:41084) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kTVaR-0001fM-SN for emacs-devel@gnu.org; Fri, 16 Oct 2020 15:40:24 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:63699) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kTVaP-0001kH-6j; Fri, 16 Oct 2020 15:40:23 -0400 Original-Received: from pmg2.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 1CC0E80EC1; Fri, 16 Oct 2020 15:40:19 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 6DD53809C6; Fri, 16 Oct 2020 15:40:12 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1602877212; bh=4Wf8jLTpFAX4CJRiamEAKdLLevT+8xSAUq34WLv783g=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=RFkKuAOs5hkWlttnKtdLLTWO21fuBZCdPj7uO2NH+7jYuwNO8YA/0ofF+mO6MAQ1q 2621btxIiFzYQuIEua4APGnk2vGyAtE0BDr65vp1KYbz8/TnS/5sKk5ahpFMuPXbWB N3OE19DLXdyjDnKuSVRLaFpChgRfNmtuj/G2JZPsIUvHGGWGDiyXaQdwEKVXE9NA7Y iAl/mgfDzGD4bAaJ8ks6lzJGWWrMyj6BLYszqDw/ou4Wg45MJIauz9O/OPtZ6L/jAk PKk57iE2cPnpWZk+V52N+nJlIT85BCkdNeIfLuecnL0VJ1F1GpNVpMErLh7zbi4EGu bSo2L1qNMpoeQ== Original-Received: from alfajor (unknown [157.52.9.240]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 15DB61202D5; Fri, 16 Oct 2020 15:40:12 -0400 (EDT) In-Reply-To: <83eelyuhwe.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 16 Oct 2020 21:48:01 +0300") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/16 14:48:04 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:257861 Archived-At: > Instead, it is much easier to have a feature implemented in Lisp that > would detect characters with no font glyphs and put help-echo on them. > We have infrastructure for such features in jit-lock.el. Indeed. And we can make this very efficient if the redisplay stashes in some Lisp var the chars-with-locations of the tofu it generates. Stefan