From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: Re: Daemon/Client, Multiple Terminals, and `tty-erase-char' Date: Mon, 16 Dec 2019 20:19:29 +0100 Message-ID: <87o8w8xem6.fsf@igel.home> References: <8962B7D8-DE8B-48C0-A461-DA2C9ACB67C7@gnu.org> <83woaw432r.fsf@gnu.org> <83sglk413q.fsf@gnu.org> <87woawxhho.fsf@igel.home> <83pngo3yzi.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="79468"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) Cc: emacs@Alexander.Shukaev.name, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Dec 16 20:21:19 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1igvvi-000KW1-8F for ged-emacs-devel@m.gmane.org; Mon, 16 Dec 2019 20:21:18 +0100 Original-Received: from localhost ([::1]:59016 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1igvvg-0004TY-FG for ged-emacs-devel@m.gmane.org; Mon, 16 Dec 2019 14:21:16 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37140) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1igvu3-0002yY-Ht for emacs-devel@gnu.org; Mon, 16 Dec 2019 14:19:36 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1igvu2-0003L2-F5 for emacs-devel@gnu.org; Mon, 16 Dec 2019 14:19:35 -0500 Original-Received: from mx2.suse.de ([195.135.220.15]:51248) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1igvu0-0003K7-I5; Mon, 16 Dec 2019 14:19:32 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Original-Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 2A30AAC46; Mon, 16 Dec 2019 19:19:30 +0000 (UTC) X-Yow: Should I do my BOBBIE VINTON medley? In-Reply-To: <83pngo3yzi.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 16 Dec 2019 20:29:53 +0200") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] [fuzzy] X-Received-From: 195.135.220.15 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:243429 Archived-At: On Dez 16 2019, Eli Zaretskii wrote: >> From: Andreas Schwab >> Cc: emacs@Alexander.Shukaev.name, emacs-devel@gnu.org >> Date: Mon, 16 Dec 2019 19:17:23 +0100 >> >> On Dez 16 2019, Eli Zaretskii wrote: >> >> > OK, but still, if one calls, say, set-input-meta-mode, tty-erase-char >> > will be reset as appropriate for the TERMINAL argument, and that is >> > not necessarily the last-frame value. >> >> It is the last-frame value when a frame was just created on a new >> terminal, which is why normal-erase-is-backspace-setup-frame works by >> chance. > > I agree, but the "by chance" part worries me. This whole business > looks quite fragile. tty-erase-char should really be a function with a terminal parameter. Andreas. -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."