From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#17893: 24.4.50; (error "Marker does not point anywhere") Date: Sat, 25 Nov 2017 21:23:22 +0200 Message-ID: <83zi7a6u39.fsf@gnu.org> References: <8facd635-be88-4990-8e7d-538db19c3e1a@default> <04af8576-c419-4d35-9c6e-7170828ac949@default> <83h8tpdkd4.fsf@gnu.org> <83o9nwd77g.fsf@gnu.org> <83shd38l86.fsf@gnu.org> <837eue8hrd.fsf@gnu.org> <877euetdn3.fsf@linux-m68k.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1511637919 886 195.159.176.226 (25 Nov 2017 19:25:19 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 25 Nov 2017 19:25:19 +0000 (UTC) Cc: 17893@debbugs.gnu.org, charles@aurox.ch, monnier@IRO.UMontreal.CA To: Andreas Schwab Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Nov 25 20:25:13 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 1eIg4Y-0007j2-Pl for geb-bug-gnu-emacs@m.gmane.org; Sat, 25 Nov 2017 20:25:07 +0100 Original-Received: from localhost ([::1]:54156 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eIg4c-0001FN-Rd for geb-bug-gnu-emacs@m.gmane.org; Sat, 25 Nov 2017 14:25:10 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58185) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eIg4X-0001E4-AV for bug-gnu-emacs@gnu.org; Sat, 25 Nov 2017 14:25:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eIg4U-0001XY-6e for bug-gnu-emacs@gnu.org; Sat, 25 Nov 2017 14:25:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:49529) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eIg4U-0001XQ-2t for bug-gnu-emacs@gnu.org; Sat, 25 Nov 2017 14:25:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1eIg4T-0000yY-Pk for bug-gnu-emacs@gnu.org; Sat, 25 Nov 2017 14:25:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 25 Nov 2017 19:25:01 +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=B17893.15116378453677 (code B ref 17893); Sat, 25 Nov 2017 19:25:01 +0000 Original-Received: (at 17893) by debbugs.gnu.org; 25 Nov 2017 19:24:05 +0000 Original-Received: from localhost ([127.0.0.1]:58210 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eIg3Z-0000xF-70 for submit@debbugs.gnu.org; Sat, 25 Nov 2017 14:24:05 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:38817) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eIg3X-0000wj-9C for 17893@debbugs.gnu.org; Sat, 25 Nov 2017 14:24:03 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eIg3R-0001GB-65 for 17893@debbugs.gnu.org; Sat, 25 Nov 2017 14:23:58 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:60690) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eIg3K-0001Eq-PW; Sat, 25 Nov 2017 14:23:50 -0500 Original-Received: from [176.228.60.248] (port=4496 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1eIg3I-0000rc-Qp; Sat, 25 Nov 2017 14:23:50 -0500 In-reply-to: <877euetdn3.fsf@linux-m68k.org> (message from Andreas Schwab on Sat, 25 Nov 2017 19:30:08 +0100) 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:140375 Archived-At: > From: Andreas Schwab > Cc: charles@aurox.ch (Charles A. Roelli), 17893@debbugs.gnu.org, monnier@IRO.UMontreal.CA > Date: Sat, 25 Nov 2017 19:30:08 +0100 > > On Nov 25 2017, Eli Zaretskii wrote: > > > What is missing is a way of methodically walking all the markers > > reachable from the cloned buffer's local variables, and changing each > > marker to point to the cloned buffer instead of the parent buffer. > > And how does that help? It will just move the error from the cloned > buffer to the parent buffer. Sorry, what error are you talking about? The problem I was thinking of is when buffer-local variables in buffer A hold markers whose buffer is A; then we clone buffer B from A, and then we kill buffer A. Now the markers in the cloned buffer point to a dead buffer (or actually point nowhere).