From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#70784: Abolish string resizing Date: Sun, 05 May 2024 18:23:49 +0300 Message-ID: <86v83scmey.fsf@gnu.org> References: <864jbce4nx.fsf@gnu.org> <9416BCF1-C394-483A-80DC-D6BBD10F48FE@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="11903"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 70784@debbugs.gnu.org, monnier@iro.umontreal.ca To: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun May 05 17:24:49 2024 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 1s3djM-0002pj-Sx for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 05 May 2024 17:24:49 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s3djF-0008EA-2c; Sun, 05 May 2024 11:24:41 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s3djD-0008DX-EI for bug-gnu-emacs@gnu.org; Sun, 05 May 2024 11:24:39 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1s3djD-0000In-4u for bug-gnu-emacs@gnu.org; Sun, 05 May 2024 11:24:39 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1s3dja-0000ma-Ef for bug-gnu-emacs@gnu.org; Sun, 05 May 2024 11:25:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 05 May 2024 15:25:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 70784 X-GNU-PR-Package: emacs Original-Received: via spool by 70784-submit@debbugs.gnu.org id=B70784.17149226692976 (code B ref 70784); Sun, 05 May 2024 15:25:02 +0000 Original-Received: (at 70784) by debbugs.gnu.org; 5 May 2024 15:24:29 +0000 Original-Received: from localhost ([127.0.0.1]:60264 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1s3dj3-0000lw-9M for submit@debbugs.gnu.org; Sun, 05 May 2024 11:24:29 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40066) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1s3dj0-0000lo-Cf for 70784@debbugs.gnu.org; Sun, 05 May 2024 11:24:28 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s3diV-0000Di-Vx; Sun, 05 May 2024 11:23:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=RMnrlUE+HEhbGkv8lxVfbR7I+V13XA7WO7gums4+/WU=; b=IZ3aOiUQK7yAMT/Scbgc LXhOv93zO3fJn0skDKt+nB7V10vZA4TEuRSZbuZ5R4JA5Eg2iBc/PYKn/1UPU5azcxOOo3XAGPURO RPrXilVDzBX58cUJjU1ieRkUyt1j2BuhfZVzSCfFPgNUjmM5eFTd0awJz0GDZSg+tkQb9tqv+Xa8J WCyqUMDyn1ueGhQy7plzvh8j27IeR6CpxxJe7WEwFp5tFjuX615b53RUCsAJI6TQbWuC4zzkKeP4N jCTZDdZUWLWDs1K7VbtiWBlspGE6izF4ixCTAYYLDrN/LPAx8Db8kTfdB0nOhQfHuqOFRLhmtNltF 5AjoAt0FNW2xig==; In-Reply-To: <9416BCF1-C394-483A-80DC-D6BBD10F48FE@gmail.com> (message from Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= on Sun, 5 May 2024 16:18:16 +0200) 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:284506 Archived-At: > From: Mattias Engdegård > Date: Sun, 5 May 2024 16:18:16 +0200 > Cc: 70784@debbugs.gnu.org, > monnier@iro.umontreal.ca > > 5 maj 2024 kl. 16.04 skrev Eli Zaretskii : > > > How many places in our own sources call aset on strings? > > In general, very little. Resizing ones, probably none now. > > > I'm not yet sure this is a good idea, but one thing I'm sure: it is > > not for Emacs 30. So if we decide to go this way, let's delay > > merging the changes until after the emacs-30 branch is cut, which > > should happen in a week or two. > > That's fine, but a warning might help in emacs-30 to prepare for making resizing an error in emacs-31. > Here's how that would work: the first 5 times (say), emit a warning like > > Warning: `aset' on a multibyte string with char value #x2022 will become an error in Emacs 31 > > followed by a truncated stack trace, just enough to help the user (or someone helping out) see what package is responsible. I'm not sure even that is a good idea for Emacs 30. Let's see what others think.