From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.bugs Subject: bug#1501: Emacs 22 loses undo buffer Date: Tue, 20 Aug 2019 14:45:08 -0400 Message-ID: <85k1b7k763.fsf@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="150692"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (windows-nt) Cc: Emerick Rogul , 1501@debbugs.gnu.org, Chong Yidong To: Stefan Kangas Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Aug 20 20:47:33 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 1i09AL-000d4n-1u for geb-bug-gnu-emacs@m.gmane.org; Tue, 20 Aug 2019 20:47:33 +0200 Original-Received: from localhost ([::1]:40476 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i09AJ-0005xy-Pv for geb-bug-gnu-emacs@m.gmane.org; Tue, 20 Aug 2019 14:47:31 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34057) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i098x-00054D-2g for bug-gnu-emacs@gnu.org; Tue, 20 Aug 2019 14:46:12 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i098u-0007Cn-Tu for bug-gnu-emacs@gnu.org; Tue, 20 Aug 2019 14:46:06 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:53334) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1i098s-0007CW-6N for bug-gnu-emacs@gnu.org; Tue, 20 Aug 2019 14:46:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1i098s-0001Io-1h for bug-gnu-emacs@gnu.org; Tue, 20 Aug 2019 14:46:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Noam Postavsky Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 20 Aug 2019 18:46:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 1501 X-GNU-PR-Package: emacs Original-Received: via spool by 1501-submit@debbugs.gnu.org id=B1501.15663267154913 (code B ref 1501); Tue, 20 Aug 2019 18:46:01 +0000 Original-Received: (at 1501) by debbugs.gnu.org; 20 Aug 2019 18:45:15 +0000 Original-Received: from localhost ([127.0.0.1]:33922 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i0987-0001HB-BQ for submit@debbugs.gnu.org; Tue, 20 Aug 2019 14:45:15 -0400 Original-Received: from mail-io1-f50.google.com ([209.85.166.50]:37665) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i0986-0001Gq-53 for 1501@debbugs.gnu.org; Tue, 20 Aug 2019 14:45:14 -0400 Original-Received: by mail-io1-f50.google.com with SMTP id q22so14364589iog.4 for <1501@debbugs.gnu.org>; Tue, 20 Aug 2019 11:45:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=9EYSPrOdc9kqPKjtr4pma0fUtSItsiUZVhl/YLO6b+o=; b=mpxYMU2dg0zZAe00z5ayZ0k1G23yH166wCn23epG9iVQygjHsdLSC4raAxv+cSv5VO dvGlToVgqZbznFU9D68VNV6QigRMQXaspAPc45CUk1R3YNxJ+Aemhdg/pghLq/rwP77L eSdm3joepXliAfXTAyPQbrq33Z1rLxKoCMZ03MN01Bjj+tdrlMkk1wLvGC7cBxZF/qXk NpyeqjhtfGXZJNNnNGnWfVGzaTzJMYjCbHmHdD/IJaHSK2h1KBZlqImJATJTiqtJIZvo qwFwKLRcxhf4/ZXdDmylDGLb7m8lRYkDiB82S/0gBkLJCpeJmfX4Nsp1LrUETQLgI91u jouA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=9EYSPrOdc9kqPKjtr4pma0fUtSItsiUZVhl/YLO6b+o=; b=d/Whv6HRGmRf7dT+uuTyLxFOMvl/4vRf9R/9DnwtNXX3/aY0/92HceWGWge0CcAnsi fnGhJoOU+Y4voHSM8uxMTCUAsW6Ezb1uqgPuPBisj9nf22CufKXE9MgSnPy5hrhqD2xq RNMZW67jJl6c/UtzegQkNSp3q3pWkwGkfLwhfA70EF0HE2kKsSFtl/t+c5Z6f8rrdSJX HsflBecmF/WTFhG4cx6dqgA6hh2UkxOgGbjptqbvPwo9FekTCsap0P1xnHH+CojFgyL5 oCVUKaFB43Cg/VetXF1HaCG2pfaGAlK2j41N8sjdx+vxMkAk0wuHEDg3C94HxJWbZQVe v0ew== X-Gm-Message-State: APjAAAV/FB1O6XoEKaX3ZtUsFci5lo20mNiPmBiC52r9joZzKsN8eTNT 7wlask8C0vT7aAzqVAvGJ+YNWdIO X-Google-Smtp-Source: APXvYqysT9QIDbGrn17J6hsQqR6HyTNY0nOrhJDcG8pjlZ++lfG+vuUNHAfv2qrUK2iw8kNva3d8lQ== X-Received: by 2002:a6b:ea02:: with SMTP id m2mr17661117ioc.155.1566326708403; Tue, 20 Aug 2019 11:45:08 -0700 (PDT) Original-Received: from vhost2 (CPE001143542e1f-CMf81d0f809fa0.cpe.net.cable.rogers.com. [99.230.51.196]) by smtp.gmail.com with ESMTPSA id c13sm22936252iok.84.2019.08.20.11.45.07 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 20 Aug 2019 11:45:07 -0700 (PDT) In-Reply-To: (Stefan Kangas's message of "Tue, 20 Aug 2019 20:36:13 +0200") 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:165437 Archived-At: Stefan Kangas writes: > increase in the memory usage of each undo record, especially when > using font-lock-mode. I'm not sure that is a serious problem, since > memory is only getting cheaper, but it might be worth investigating. > On the other hand, we could just decide that this is not worth the > effort and close this as wontfix. Hmm, it sounds like the problem might just be due to saving text properties in the undo records? If so, maybe a simple fix is to just drop them (or drop only face and font-lock-face properties).