From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#23594: 25.0.94; Display errors on Linux tty Date: Sun, 22 May 2016 19:50:24 +0300 Message-ID: <83y4725967.fsf@gnu.org> References: <20160521104720.GA2987@acm.fritz.box> <83k2in72de.fsf@gnu.org> <20160521190110.GB2987@acm.fritz.box> <83d1of6xe5.fsf@gnu.org> <20160522093813.GA2136@acm.fritz.box> <838tz26rkh.fsf@gnu.org> <20160522161651.GE2136@acm.fritz.box> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1463935884 31076 80.91.229.3 (22 May 2016 16:51:24 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 22 May 2016 16:51:24 +0000 (UTC) Cc: 23594@debbugs.gnu.org To: Alan Mackenzie Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun May 22 18:51:13 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1b4Wau-0000Cy-FC for geb-bug-gnu-emacs@m.gmane.org; Sun, 22 May 2016 18:51:12 +0200 Original-Received: from localhost ([::1]:43876 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b4Wat-0006nP-Jo for geb-bug-gnu-emacs@m.gmane.org; Sun, 22 May 2016 12:51:11 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59659) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b4Wao-0006nJ-LC for bug-gnu-emacs@gnu.org; Sun, 22 May 2016 12:51:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b4Wak-0003Sm-Go for bug-gnu-emacs@gnu.org; Sun, 22 May 2016 12:51:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:48883) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b4Wak-0003Si-DA for bug-gnu-emacs@gnu.org; Sun, 22 May 2016 12:51:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1b4Wak-0002Ai-5h for bug-gnu-emacs@gnu.org; Sun, 22 May 2016 12:51:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 22 May 2016 16:51:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 23594 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 23594-submit@debbugs.gnu.org id=B23594.14639358408319 (code B ref 23594); Sun, 22 May 2016 16:51:02 +0000 Original-Received: (at 23594) by debbugs.gnu.org; 22 May 2016 16:50:40 +0000 Original-Received: from localhost ([127.0.0.1]:32987 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b4WaO-0002A6-0c for submit@debbugs.gnu.org; Sun, 22 May 2016 12:50:40 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:40411) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b4WaM-00029s-18 for 23594@debbugs.gnu.org; Sun, 22 May 2016 12:50:38 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b4WaD-0003QS-ES for 23594@debbugs.gnu.org; Sun, 22 May 2016 12:50:32 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:51426) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b4WaC-0003QL-Tm; Sun, 22 May 2016 12:50:29 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:2362 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1b4WaB-00024B-6K; Sun, 22 May 2016 12:50:27 -0400 In-reply-to: <20160522161651.GE2136@acm.fritz.box> (message from Alan Mackenzie on Sun, 22 May 2016 16:16:51 +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:118537 Archived-At: > Date: Sun, 22 May 2016 16:16:51 +0000 > Cc: 23594@debbugs.gnu.org > From: Alan Mackenzie > > could it be that the display engine is actually outputting a raw > 0x0a byte Of course! Isn't that what I said at the beginning of this discussion? > rather than handling it sensibly? It was forbidden from doing "sensible" things by the composition trick. I think the best fix that is safe for Emacs 25.1 is simply to avoid displaying the "decomposition" part for low control characters -- they cannot be composed anyway, AFAIU.