From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#17411: 24.4.50; emacs_backtrace.txt Date: Tue, 13 May 2014 15:32:13 -0400 Message-ID: References: <4ed285be-ccc5-4df6-90f8-5dfd88f52d21@default> <83siofu3gf.fsf@gnu.org> <83ppjjt9mw.fsf@gnu.org> <83tx8uq23h.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1400009611 1280 80.91.229.3 (13 May 2014 19:33:31 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 13 May 2014 19:33:31 +0000 (UTC) Cc: lekktu@gmail.com, 17411@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue May 13 21:33:24 2014 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 1WkIS1-0003pJ-IV for geb-bug-gnu-emacs@m.gmane.org; Tue, 13 May 2014 21:33:21 +0200 Original-Received: from localhost ([::1]:47444 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WkIS0-0007x4-PU for geb-bug-gnu-emacs@m.gmane.org; Tue, 13 May 2014 15:33:20 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47299) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WkIRq-0007tF-DG for bug-gnu-emacs@gnu.org; Tue, 13 May 2014 15:33:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WkIRi-0005FY-Th for bug-gnu-emacs@gnu.org; Tue, 13 May 2014 15:33:10 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:45245) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WkIRi-0005FT-RI for bug-gnu-emacs@gnu.org; Tue, 13 May 2014 15:33:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1WkIRi-0007to-Bz for bug-gnu-emacs@gnu.org; Tue, 13 May 2014 15:33:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 13 May 2014 19:33:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17411 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 17411-submit@debbugs.gnu.org id=B17411.140000954030281 (code B ref 17411); Tue, 13 May 2014 19:33:02 +0000 Original-Received: (at 17411) by debbugs.gnu.org; 13 May 2014 19:32:20 +0000 Original-Received: from localhost ([127.0.0.1]:34363 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WkIR2-0007sL-A7 for submit@debbugs.gnu.org; Tue, 13 May 2014 15:32:20 -0400 Original-Received: from chene.dit.umontreal.ca ([132.204.246.20]:33995) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WkIR0-0007s8-0F for 17411@debbugs.gnu.org; Tue, 13 May 2014 15:32:18 -0400 Original-Received: from fmsmemgm.homelinux.net (lechon.iro.umontreal.ca [132.204.27.242]) by chene.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id s4DJWEP7008859; Tue, 13 May 2014 15:32:14 -0400 Original-Received: by fmsmemgm.homelinux.net (Postfix, from userid 20848) id 7E967AE173; Tue, 13 May 2014 15:32:13 -0400 (EDT) In-Reply-To: <83tx8uq23h.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 12 May 2014 21:33:06 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 1 Rules triggered RV4941=0 X-NAI-Spam-Version: 2.3.0.9378 : core <4941> : inlines <862> : streams <1181863> : uri <1755863> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:89039 Archived-At: >> > So I think the only practical way of obtaining this information is to >> > add eassert's that will tell you which one is it. >> But I don't know what to add where, at this point. > Maybe I misunderstood. You said: >> It might also be interesting to look at `i' to see whether it's >> hopelessly messed up, or if it looks "incorrect but sanish". > So I thought about an eassert that will catch something "hopelessly > messed up", for example. The "eassert (length (i) > 0)" does catch this case already. We could add another assert which is looser (i.e. one that would not be caught by a "somewhat sane interval with a non-positive length"), but I'm not sure how to formally define "hopelessly messed up". Stefan