From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Kangas Newsgroups: gmane.emacs.bugs Subject: bug#45926: Tabulated-list-mode wasteful properties Date: Tue, 20 Apr 2021 22:35:53 -0500 Message-ID: References: <20210117073252.k7f2x35lq3labahe@E15-2016.optimum.net> <87wnwb1y31.fsf@tcd.ie> <20210117151128.kwzzacivle4ecsfs@E15-2016.optimum.net> <878s8ppkgp.fsf@gnus.org> <20210312025709.cdqb6fl5cr7wa3dt@E15-2016.optimum.net> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20508"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: "Basil L. Contovounesios" , Lars Ingebrigtsen , 45926-done@debbugs.gnu.org To: Boruch Baum Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Apr 21 05:36:14 2021 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 1lZ3eu-0005Bb-1f for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 21 Apr 2021 05:36:12 +0200 Original-Received: from localhost ([::1]:59304 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lZ3es-0001WH-Rn for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 20 Apr 2021 23:36:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57934) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lZ3el-0001Vh-T1 for bug-gnu-emacs@gnu.org; Tue, 20 Apr 2021 23:36:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:45088) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lZ3el-0004Qg-L1 for bug-gnu-emacs@gnu.org; Tue, 20 Apr 2021 23:36:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lZ3el-0006Fq-IK for bug-gnu-emacs@gnu.org; Tue, 20 Apr 2021 23:36:03 -0400 Resent-From: Stefan Kangas Original-Sender: "Debbugs-submit" Resent-To: bug-gnu-emacs@gnu.org Resent-Date: Wed, 21 Apr 2021 03:36:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 45926 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo notabug Mail-Followup-To: 45926@debbugs.gnu.org, stefan@marxist.se, boruch_baum@gmx.com Original-Received: via spool by 45926-done@debbugs.gnu.org id=D45926.161897616024004 (code D ref 45926); Wed, 21 Apr 2021 03:36:03 +0000 Original-Received: (at 45926-done) by debbugs.gnu.org; 21 Apr 2021 03:36:00 +0000 Original-Received: from localhost ([127.0.0.1]:56628 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lZ3ei-0006F6-BA for submit@debbugs.gnu.org; Tue, 20 Apr 2021 23:36:00 -0400 Original-Received: from mail-pf1-f180.google.com ([209.85.210.180]:35602) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lZ3eh-0006Er-24 for 45926-done@debbugs.gnu.org; Tue, 20 Apr 2021 23:35:59 -0400 Original-Received: by mail-pf1-f180.google.com with SMTP id h15so9684473pfv.2 for <45926-done@debbugs.gnu.org>; Tue, 20 Apr 2021 20:35:58 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:in-reply-to:references:user-agent :mime-version:date:message-id:subject:to:cc; bh=YkUVyAfKuXrTLvxPLpvhUy91SNo+K6zGEOA/8GRD6+w=; b=Zs0A9jmaiT5592DFuRsTXWPtSVnjHRKLSH+Yz7ZqdsDiZAGhmTVFFhIqss+GrdDMSy nurxYEZImVIgZDxRrSx4UtXzSe8G8yePIUtewLnAXRZDOHK7XmdJMJw3RE1kwwsDz1jL f6oaA0ID/vZ//7S99MNT0eC/uMK3hmBRQbf2BmAs30KgDtZngfh207Z6GFqzphIX+uYb GO5uT8R7+MLKkfPfLn6NSJ6T2yVmuDstQFjtRUqaooo6fYQHAHJbbFlOup07ABx6WTpQ P0vuHF+m/fcnaqxi2SfttLqzVNkS8s5FQVPg1RyA3giTsoNLEP2tb0r+Or6zC4AswA/9 IYkw== X-Gm-Message-State: AOAM5311qh6A6Tz13Wl7PA+z7qWaAZTW0aOYGy5YBSp/zSaHcPkE7dMK 0puVnR8WbKfbfdGGOSbWMaNIrNl5SO1lLY7bk+0= X-Google-Smtp-Source: ABdhPJxqqI3R6CONRAN8Tc1RJF44Rf1kp0KBNVDbuia3IpcDbYX4nIYKuh8PN9zybtnC5gq/9UcdljN3IRa850uRyGM= X-Received: by 2002:a17:90a:670b:: with SMTP id n11mr1916684pjj.104.1618976153446; Tue, 20 Apr 2021 20:35:53 -0700 (PDT) Original-Received: from 753933720722 named unknown by gmailapi.google.com with HTTPREST; Tue, 20 Apr 2021 22:35:53 -0500 In-Reply-To: (Stefan Kangas's message of "Thu, 11 Mar 2021 21:39:39 -0600") 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:204572 Archived-At: Stefan Kangas writes: > Boruch Baum writes: > >>> Borouch, did you have the time to look into if this data is indeed >>> shared or not? Thanks. >> >> Oh. I thought I had done that right away ... >> >> Doing it again now. Yes. It's very simple to check for yourself. Open a >> buffer that uses the mode and evaluate from any table line ... >> >> (buffer-substring (line-beginning-position) (line-end-position)) >> >> You should be able to clearly see all the duplication. It's easiest when >> you have pretty-print set up to display the output in a dedicated >> buffer, but even without that you can isearch through the duplications. > > I think the interesting question is if that data is duplicated in memory > or if these are just pointers to the same shared data. > > I would try modifying this data with something like `setcdr' to see if > it updates everywhere -- if the answer yes, then this data is shared and > there is no problem here. More information was requested, but none was given within 5 weeks, so I'm closing this bug. If anyone can provide further information on this issue to show that there is a bug here, please reply to this email (use "Reply to all" in your email client) and we can reopen the bug report.