From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Xu Chunyang Newsgroups: gmane.emacs.bugs Subject: bug#36145: 26.2; Unable to "trigger another backtrace" Date: Sun, 09 Jun 2019 15:18:37 +0800 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="111516"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Emacs/26.2 To: 36145@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Jun 09 09:19:25 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1hZs6t-000SiY-Hx for geb-bug-gnu-emacs@m.gmane.org; Sun, 09 Jun 2019 09:19:24 +0200 Original-Received: from localhost ([::1]:34298 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hZs6k-0007KJ-A9 for geb-bug-gnu-emacs@m.gmane.org; Sun, 09 Jun 2019 03:19:14 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44571) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hZs6a-0007K9-1i for bug-gnu-emacs@gnu.org; Sun, 09 Jun 2019 03:19:05 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hZs6Z-0004cU-3O for bug-gnu-emacs@gnu.org; Sun, 09 Jun 2019 03:19:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:40619) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hZs6Y-0004cI-Tp for bug-gnu-emacs@gnu.org; Sun, 09 Jun 2019 03:19:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hZs6Y-0004Jb-NV for bug-gnu-emacs@gnu.org; Sun, 09 Jun 2019 03:19:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Xu Chunyang Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 09 Jun 2019 07:19:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 36145 X-GNU-PR-Package: emacs X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.156006472916565 (code B ref -1); Sun, 09 Jun 2019 07:19:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 9 Jun 2019 07:18:49 +0000 Original-Received: from localhost ([127.0.0.1]:54163 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hZs6L-0004J7-5R for submit@debbugs.gnu.org; Sun, 09 Jun 2019 03:18:49 -0400 Original-Received: from lists.gnu.org ([209.51.188.17]:45925) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hZs6J-0004Ix-UT for submit@debbugs.gnu.org; Sun, 09 Jun 2019 03:18:48 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44511) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hZs6J-0007Ih-2T for bug-gnu-emacs@gnu.org; Sun, 09 Jun 2019 03:18:47 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hZs6I-0004Un-7e for bug-gnu-emacs@gnu.org; Sun, 09 Jun 2019 03:18:47 -0400 Original-Received: from wout5-smtp.messagingengine.com ([64.147.123.21]:49035) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hZs6H-0004SK-SR for bug-gnu-emacs@gnu.org; Sun, 09 Jun 2019 03:18:46 -0400 Original-Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.west.internal (Postfix) with ESMTP id 0363F354 for ; Sun, 9 Jun 2019 03:18:42 -0400 (EDT) Original-Received: from mailfrontend2 ([10.202.2.163]) by compute6.internal (MEProxy); Sun, 09 Jun 2019 03:18:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xuchunyang.me; h=from:to:subject:date:message-id:mime-version:content-type :content-transfer-encoding; s=fm1; bh=GR1ZRRmmUX+Vn2Vc6ZUEKQluXr dUsOccpnnAaU9JcTM=; b=PVUbSP5Og/j4z1fAXQVCoZqKw8Pgwyz95M3jM161Jw coC0nk8Xb+QMfQeLb/kO1cQxt41+jxV+n1Nm6J979YiHC4A+HhK0ek7ArBElmA4n zt5ftjbRJaMWXueMCbZZ+8Dcz1A4OuN/kmkYmbR5igI8+klhAIcPh8AHtVGZlxD5 0GIx9gCgx00Y/EE0UGxD3yy1ogAUJPuX1tIp2wVxR2XgsZaR4veiiF63u5SyYceJ YoexnxY4JL91EdWsT7s4tJCOenGm8jxjLQdF3q9KWWAm6vJ8EJd0XbmUwb7OM7ju XdG2CLUYedRelCaXJFO75ls2QBK1iC4As99nI27YG45A== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; bh=GR1ZRR mmUX+Vn2Vc6ZUEKQluXrdUsOccpnnAaU9JcTM=; b=T/6EBYdzcdAzkb9TWDSmR+ 9UGJmABxHIIbC13PWJo2WxDNqf1rsohoHX0ronTj9ZRst7wfR/QuuyrT+wT7xSOd geQoHraD1shC/1ZXcCWcyrjiNd31e8E7V2vSOk2WaWbXKh/n6QIGK/auyQg86QaP WD0+kAlQJZZSLYcilpy4E02tOCj871+ksafgBZrvj+/4TEmRSR4iTb8eNYkWqkfe SlnvvL22IwXQv7QjzkmCg2LtjwNGDDiOxrpqE+2UiM2gPxigOeuu/f7rODtVYiqb Y/FSrd9+Jzokt0LeavoBcpvvgPKOtXztDVSSXv4vxQjia5CewB0j/OOyJSYSQ7gw == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduuddrudegledguddugecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecunecujfgurhephffvufgffffkgggtgfesthhqre dttderjeenucfhrhhomhepighuucevhhhunhihrghnghcuoehmrghilhesgihutghhuhhn higrnhhgrdhmvgeqnecukfhppeduudejrdelfedrvddtiedrudeffeenucfrrghrrghmpe hmrghilhhfrhhomhepmhgrihhlseiguhgthhhunhihrghnghdrmhgvnecuvehluhhsthgv rhfuihiivgeptd X-ME-Proxy: Original-Received: from Chunyangs-MacBook-Air.local (unknown [117.93.206.133]) by mail.messagingengine.com (Postfix) with ESMTPA id 2563F380085 for ; Sun, 9 Jun 2019 03:18:40 -0400 (EDT) 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: 209.51.188.43 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:160261 Archived-At: (info "(elisp) Using Debugger") says > When the debugger has been entered, the =E2=80=98debug-on-error=E2=80=99 = variable is > temporarily set according to =E2=80=98eval-expression-debug-on-error=E2= =80=99. If the > latter variable is non-=E2=80=98nil=E2=80=99, =E2=80=98debug-on-error=E2= =80=99 will temporarily be set > to =E2=80=98t=E2=80=99. This means that any further errors that occur wh= ile doing a > debugging session will (by default) trigger another backtrace. Text before "This means.." is correct, but the conclusion seems incorrect, to reproduce - emacs -Q - M-: (/ 1 0) ;; enter the debugger - M-: (/ 2 0) ;; just message the error, no another backtrace Am I misunderstanding "trigger another backtrace"?