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.devel Subject: Re: Display of undisplayable characters: \U01F3A8 instead of diamond Date: Sat, 27 Aug 2022 12:11:47 +0300 Message-ID: <834jxy125o.fsf@gnu.org> References: <87y1vaobq8.fsf@dataswamp.org> <835yie17no.fsf@gnu.org> <87y1vacfro.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="26821"; mail-complaints-to="usenet@ciao.gmane.io" Cc: incal@dataswamp.org, emacs-devel@gnu.org To: Visuwesh Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Aug 27 11:13:09 2022 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 1oRrsK-0006ld-MO for ged-emacs-devel@m.gmane-mx.org; Sat, 27 Aug 2022 11:13:08 +0200 Original-Received: from localhost ([::1]:33972 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oRrsI-00060c-Tw for ged-emacs-devel@m.gmane-mx.org; Sat, 27 Aug 2022 05:13:06 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57670) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oRrqn-0004nh-EK for emacs-devel@gnu.org; Sat, 27 Aug 2022 05:11:33 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:49556) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oRrqm-0007mD-AX; Sat, 27 Aug 2022 05:11:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=/xWk2VO5toHJB7zyztyYxHR09KJG9UQJM8uuiCVwnSY=; b=YW9yiK8btgc89cCkfFl/ hNWyd/8cx4KZDtv/pWSdFbWhmpuxqk0wJCTebcHpMNGjGnNleo0gaIKHLRFUFUp4pSDBg0RZPEEGH V1/KOGUIPuCQTRN8xdUjk6hpQZSUEHfDjpBkF3Bw6aBXccaClhV82PWLlyKBMlebsaM+oJHTIVKTv p8Ki47pkCZlkZSahYo01KKbuO59AooPDNr8329X3yBw9NS48EkB8lkMubT54vHgNf88uKiVcsuJ2P m3VEhvVofzOpzMnTlAScnZXoeoUM13jOOgvzvsgfaKwMiWn7zY2UJz4yq/GRBQtd3rybrtXQK4V4Q LFI+PmdrikSdDw==; Original-Received: from [87.69.77.57] (port=2208 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 1oRrql-0001Ti-Ok; Sat, 27 Aug 2022 05:11:32 -0400 In-Reply-To: <87y1vacfro.fsf@gmail.com> (message from Visuwesh on Sat, 27 Aug 2022 12:52:19 +0530) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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:294182 Archived-At: > From: Visuwesh > Cc: Emanuel Berg , emacs-devel@gnu.org > Date: Sat, 27 Aug 2022 12:52:19 +0530 > > [சனி ஆகஸ்ட் 27, 2022] Eli Zaretskii wrote: > > > We are not going back to the situation where we sent to the Linux > > console character codes for which it couldn't produce valid glyphs. > > People who suggest sending U+FFFD to the Linux console should first > > verify whether the console is capable of displaying that character. > > One way of verifying this is to type > > > > C-x 8 RET fffd RET > > > > in an Emacs session which displays on the Linux console, and see if > > that shows the diamond-like glyph or the \Unnnn thing. If it's the > > latter, it means the console doesn't support that character, and we > > cannot send its code from Emacs. We should instead send something > > else (provided that someone submits patches to send that "something"). > > It is displayed as a diamond in emacs -Q -nw in a Linux tty here. I'm > on Debian GNU/Linux bookworm/sid. In what Emacs version?