From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.bugs Subject: bug#55863: 29.0.50; [PATCH] Avoid hanging chad of *Backtrace* Date: Thu, 09 Jun 2022 09:46:25 +0300 Organization: LINKOV.NET Message-ID: <86y1y6fi66.fsf@mail.linkov.net> References: <877d5qetfm.fsf@dick> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="6459"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (x86_64-pc-linux-gnu) Cc: 55863@debbugs.gnu.org To: dick.r.chiang@gmail.com Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jun 09 08:51:06 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 1nzC0Y-0001ZE-Fv for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 09 Jun 2022 08:51:06 +0200 Original-Received: from localhost ([::1]:55240 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nzC0X-0004TT-6G for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 09 Jun 2022 02:51:05 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44418) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nzBxa-00021g-L4 for bug-gnu-emacs@gnu.org; Thu, 09 Jun 2022 02:48:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:50909) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nzBxa-00011M-Ce for bug-gnu-emacs@gnu.org; Thu, 09 Jun 2022 02:48:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nzBxa-0001zA-6y for bug-gnu-emacs@gnu.org; Thu, 09 Jun 2022 02:48:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Juri Linkov Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 09 Jun 2022 06:48:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 55863 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 55863-submit@debbugs.gnu.org id=B55863.16547572597490 (code B ref 55863); Thu, 09 Jun 2022 06:48:02 +0000 Original-Received: (at 55863) by debbugs.gnu.org; 9 Jun 2022 06:47:39 +0000 Original-Received: from localhost ([127.0.0.1]:44806 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nzBxD-0001wj-Bo for submit@debbugs.gnu.org; Thu, 09 Jun 2022 02:47:39 -0400 Original-Received: from relay5-d.mail.gandi.net ([217.70.183.197]:41329) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nzBxA-0001w1-Cg for 55863@debbugs.gnu.org; Thu, 09 Jun 2022 02:47:38 -0400 Original-Received: (Authenticated sender: juri@linkov.net) by mail.gandi.net (Postfix) with ESMTPSA id ADD8B1C0002; Thu, 9 Jun 2022 06:47:28 +0000 (UTC) In-Reply-To: <877d5qetfm.fsf@dick> (dick r. chiang's message of "Wed, 08 Jun 2022 17:28:29 -0400") 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:234016 Archived-At: > ;; Don't let `inhibit-message' get in our way (especially important if > ;; `non-interactive-frame' evaluated to a non-nil value. > - (inhibit-message nil) > + inhibit-message > ;; We may be entering the debugger from a context that has > ;; let-bound `inhibit-read-only', which means that all > ;; buffers would be read/write while the debugger is running. > - (inhibit-read-only nil)) > + inhibit-read-only) Often an explicit nil value is used as an indication that it overrides the default value. This helps to read source code.