From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#57693: 29.0.50; Is there a more reliable version of `char-displayable-p'? Date: Wed, 14 Sep 2022 05:43:17 +0300 Message-ID: <83sfku3cca.fsf@gnu.org> References: <87v8pw1xyo.fsf@localhost> <83a678d5w6.fsf@gnu.org> <878rmr25tk.fsf@localhost> <83czc3bvbg.fsf@gnu.org> <87y1urybt6.fsf@localhost> <837d2bbr2s.fsf@gnu.org> <87edwjy77h.fsf@localhost> <831qsjboy0.fsf@gnu.org> <87v8puw945.fsf@localhost> <838rmq9rfr.fsf@gnu.org> <837d2a9qcu.fsf@gnu.org> <875yhtw3ed.fsf@localhost> <83ills9741.fsf@gnu.org> <878rmoujyx.fsf@localhost> <834jxb5xp6.fsf@gnu.org> <8735cuzpqc.fsf@localhost> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="3390"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 57693@debbugs.gnu.org To: Ihor Radchenko Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Sep 14 04:44:11 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1oYINn-0000nC-11 for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 14 Sep 2022 04:44:11 +0200 Original-Received: from localhost ([::1]:38978 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oYINm-000726-1s for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 13 Sep 2022 22:44:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55490) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oYINf-00071x-05 for bug-gnu-emacs@gnu.org; Tue, 13 Sep 2022 22:44:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:36319) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oYINe-0006db-O1 for bug-gnu-emacs@gnu.org; Tue, 13 Sep 2022 22:44:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oYINe-0002zi-Jl for bug-gnu-emacs@gnu.org; Tue, 13 Sep 2022 22:44:02 -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, 14 Sep 2022 02:44:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 57693 X-GNU-PR-Package: emacs Original-Received: via spool by 57693-submit@debbugs.gnu.org id=B57693.166312341511466 (code B ref 57693); Wed, 14 Sep 2022 02:44:02 +0000 Original-Received: (at 57693) by debbugs.gnu.org; 14 Sep 2022 02:43:35 +0000 Original-Received: from localhost ([127.0.0.1]:53251 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oYIND-0002yr-7w for submit@debbugs.gnu.org; Tue, 13 Sep 2022 22:43:35 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:49440) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oYINC-0002yg-1n for 57693@debbugs.gnu.org; Tue, 13 Sep 2022 22:43:34 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:60614) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oYIN6-0006bn-RF; Tue, 13 Sep 2022 22:43:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=wmiAh4pPNTslZUoy93lGyUo2WgQHKyVrw+Ur/50INRw=; b=cuQ4ArL0nQAM Ke/Z3r+zQnb/QW/naXTEvR3f0vD2iipnrM3tTAdXay9IaAxEFElgyErAyfOkgicGzwTvVQ3HeLZGa 2enrkKn8i1tSCB2Gr7m9QpnRWYWDw3mKeU6f7vCnqTR4GgeliaD7nCZ5bkBsxreXqpxBcZT+mr5NG 8KYDEq9qnSY7X/vgh2WpqbmC6KVq25HzmSfXxf4uXVOr/KL3bDvZ7+zk7+QolwyVDw2W5Bd2ibA0C 1sqYy2iXmAAMh7IjoKL29JQMBmDJHzDQ8yFY9ivxbxjXxpc5PcUfFqrcqFzRCh3yRs5QHoF/rCeO3 F5v8R+JCmd4AN5ETuZSiYA==; Original-Received: from [87.69.77.57] (port=1712 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oYIN5-0003NP-7n; Tue, 13 Sep 2022 22:43:28 -0400 In-Reply-To: <8735cuzpqc.fsf@localhost> (message from Ihor Radchenko on Wed, 14 Sep 2022 09:52:59 +0800) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:242425 Archived-At: > From: Ihor Radchenko > Cc: 57693@debbugs.gnu.org > Date: Wed, 14 Sep 2022 09:52:59 +0800 > > Eli Zaretskii writes: > > > So an efficient method of testing this for terminal would be: > > > > . if terminal-coding-system is UTF-8, call internal-char-font to see > > On my side, (terminal-coding-system) returns 'utf-8-unix > However, I imagine that other utf-8 variants may be returned, say, on > Windows. > > Is there some standard way to know is a coding system is utf-8 or not? Yes, use coding-system-base.