From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#17893: 24.4.50; (error "Marker does not point anywhere") Date: Fri, 24 Nov 2017 16:22:10 -0500 Message-ID: References: <8facd635-be88-4990-8e7d-538db19c3e1a@default> <04af8576-c419-4d35-9c6e-7170828ac949@default> <83h8tpdkd4.fsf@gnu.org> <83o9nwd77g.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1511558592 24357 195.159.176.226 (24 Nov 2017 21:23:12 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 24 Nov 2017 21:23:12 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: 17893@debbugs.gnu.org To: charles@aurox.ch (Charles A. Roelli) Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Nov 24 22:23:08 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eILRA-0005ly-Ei for geb-bug-gnu-emacs@m.gmane.org; Fri, 24 Nov 2017 22:23:04 +0100 Original-Received: from localhost ([::1]:51151 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eILRH-0008Ij-Jr for geb-bug-gnu-emacs@m.gmane.org; Fri, 24 Nov 2017 16:23:11 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55788) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eILRB-0008ID-Dd for bug-gnu-emacs@gnu.org; Fri, 24 Nov 2017 16:23:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eILR8-0005gz-7l for bug-gnu-emacs@gnu.org; Fri, 24 Nov 2017 16:23:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:47821) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eILR8-0005gu-4h for bug-gnu-emacs@gnu.org; Fri, 24 Nov 2017 16:23:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1eILR7-00085h-UZ for bug-gnu-emacs@gnu.org; Fri, 24 Nov 2017 16:23:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 24 Nov 2017 21:23:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17893 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 17893-submit@debbugs.gnu.org id=B17893.151155854131031 (code B ref 17893); Fri, 24 Nov 2017 21:23:01 +0000 Original-Received: (at 17893) by debbugs.gnu.org; 24 Nov 2017 21:22:21 +0000 Original-Received: from localhost ([127.0.0.1]:56502 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eILQS-00084Q-Ne for submit@debbugs.gnu.org; Fri, 24 Nov 2017 16:22:20 -0500 Original-Received: from alt32.smtp-out.videotron.ca ([24.53.0.21]:55280) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eILQQ-00084B-Kz for 17893@debbugs.gnu.org; Fri, 24 Nov 2017 16:22:19 -0500 Original-Received: from fmsmemgm.homelinux.net ([23.233.195.134]) by Videotron with SMTP id ILQIeyJ1bEyCjILQJe6p7F; Fri, 24 Nov 2017 16:22:13 -0500 X-Authority-Analysis: v=2.2 cv=cZ2iljLM c=1 sm=1 tr=0 a=xXJ578j8WyTliCxld3/pTA==:117 a=xXJ578j8WyTliCxld3/pTA==:17 a=sC3jslCIGhcA:10 a=LiOJC72R3wmj2dfNYSAA:9 Original-Received: by fmsmemgm.homelinux.net (Postfix, from userid 20848) id D9A3EAE10D; Fri, 24 Nov 2017 16:22:10 -0500 (EST) In-Reply-To: (Charles A. Roelli's message of "Fri, 24 Nov 2017 21:18:36 +0100") X-CMAE-Envelope: MS4wfEGmbBf3dhf3uP1jWAOv5lWvnrcLNDp/EAez85FfKE1ms27Uai7jojp1o/Fc31JnOaX4Wl7FkHl39jJkwLWU3k7TyNmH09Y3aonHoh1aE5zaqSQP8Ujw wm8s9leUYK7DHFsaCYukvLAGAcYX0cM4LQOM/+DZDELJxdi9vGYkOZruFbs7s4Ag+8BOz6rKQZUT25hVN+ZjNKpXPkdF985TwDrLHY6d21YlEhH0oNYC0dk1 MAJpyb9eEbv78vAdto+tdMT1cqYz63wywsUp2GAzsUM= 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:140346 Archived-At: >> > By C, do you mean the function `clone-buffer'? >> No, I meant what's in marker.c. > I suppose the main issue is fixed in master now: Indeed. > To solve the problem more generally, maybe clone-buffer could look for > local variables with a non-nil symbol property (called, say, > `clone-buffer-update-function'), the value of which would be a > function that updates the "cloned" variable properly. That's just a different hook, with more or less the same downsides as the one we already have, so I don't see much benefit. Stefan