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#53294: 29.0.50; Indirect font changes incorrectly affecting original buffer Date: Sun, 16 Jan 2022 20:16:06 +0200 Message-ID: <837dazy2ah.fsf@gnu.org> References: <835yqkyqzw.fsf@gnu.org> <83lezfybc9.fsf@gnu.org> <83ilujy9fi.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10954"; mail-complaints-to="usenet@ciao.gmane.io" Cc: ahyatt@gmail.com, 53294@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Jan 16 19:18:10 2022 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 1n9A6U-0002fs-5T for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 16 Jan 2022 19:18:10 +0100 Original-Received: from localhost ([::1]:46306 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n9A6T-0007s1-6F for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 16 Jan 2022 13:18:09 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:39996) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n9A5R-0007E8-LX for bug-gnu-emacs@gnu.org; Sun, 16 Jan 2022 13:17:07 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:51336) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1n9A5O-0006eo-Gd for bug-gnu-emacs@gnu.org; Sun, 16 Jan 2022 13:17:05 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1n9A5O-0008LV-DW for bug-gnu-emacs@gnu.org; Sun, 16 Jan 2022 13:17:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 16 Jan 2022 18:17:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 53294 X-GNU-PR-Package: emacs Original-Received: via spool by 53294-submit@debbugs.gnu.org id=B53294.164235699030607 (code B ref 53294); Sun, 16 Jan 2022 18:17:02 +0000 Original-Received: (at 53294) by debbugs.gnu.org; 16 Jan 2022 18:16:30 +0000 Original-Received: from localhost ([127.0.0.1]:44239 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1n9A4r-0007xL-Ut for submit@debbugs.gnu.org; Sun, 16 Jan 2022 13:16:30 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:39046) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1n9A4p-0007rZ-PL for 53294@debbugs.gnu.org; Sun, 16 Jan 2022 13:16:28 -0500 Original-Received: from [2001:470:142:3::e] (port=51700 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n9A4f-0006U3-Q2; Sun, 16 Jan 2022 13:16:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=sIpZeMmGtXC4pdLTQN5y2F5t8lKRgzIQ+m0Di1I7tP4=; b=e5l3XDLsXVae 2Svye6n16ZtzINCxMNqbILX8vxspvVWDgUZVNQuYh8SFjwOgUnp1wz6pkoB1nwMKmvmcIavMzhTkY s6fTVd2bv4tJi402n4vfR3R6d0Zr6+AL2JhsP4cJdmeqkt8hUinmKQR+b4GpXgi9WRR+eG+kx6NGA ly1sdwM1Kl3syfODlvxypK0tS+4WgppxsKt66MnovZP9ZjcQLxoo4HE2xBW16ldJCYWHhN7XM7my7 Wm73084Deec0dHahgv+RoWQX6tZymta/+hqAwX9QptDB/9o1TqcmRpRHzeGEtbRMHBqjeaM/jxE8P wL+nhNdegFCfRZAtkTg11A==; Original-Received: from [87.69.77.57] (port=2055 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n9A4f-0003nE-Nx; Sun, 16 Jan 2022 13:16:18 -0500 In-Reply-To: (message from Stefan Monnier on Sun, 16 Jan 2022 12:11:39 -0500) 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:224409 Archived-At: > From: Stefan Monnier > Cc: Andrew Hyatt , 53294@debbugs.gnu.org > Date: Sun, 16 Jan 2022 12:11:39 -0500 > > Some ways we can fix this: > > - In `face-remap.el`, refrain from modifying the `face-remapping-alist` > by side-effects (i.e. avoid `delq`, `setcdr`, and friends). > > - Add a `make-indirect-buffer-hook` and arrange for `face-remap.el` to > add a function there that does a deep enough copy of > `face-remapping-alist`. > > - Remember that indirect buffers are an attractive nuisance and should > be deprecated (but note that I suspect the same bug affects > `clone-buffer` because it doesn't make a deep enough copy of > `face-remapping-alist` either). The last one tells me we are better with leaving this sleeping dog lie.