From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.bugs Subject: bug#39812: 26.1; face-remapping-alist is sometimes set to an unexpected value Date: Thu, 27 Feb 2020 14:57:56 -0500 Message-ID: <858sknajln.fsf@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="19188"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (windows-nt) Cc: 39812@debbugs.gnu.org To: Markus Triska Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Feb 27 20:59:12 2020 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 1j7PJP-0004tH-NU for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 27 Feb 2020 20:59:11 +0100 Original-Received: from localhost ([::1]:37562 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j7PJO-0000MJ-Qv for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 27 Feb 2020 14:59:10 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51441) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j7PJH-0000M9-Gr for bug-gnu-emacs@gnu.org; Thu, 27 Feb 2020 14:59:04 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j7PJG-0004sE-IU for bug-gnu-emacs@gnu.org; Thu, 27 Feb 2020 14:59:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:54333) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1j7PJG-0004s6-CE for bug-gnu-emacs@gnu.org; Thu, 27 Feb 2020 14:59:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1j7PJG-0006y6-9p for bug-gnu-emacs@gnu.org; Thu, 27 Feb 2020 14:59:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Noam Postavsky Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 27 Feb 2020 19:59:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 39812 X-GNU-PR-Package: emacs Original-Received: via spool by 39812-submit@debbugs.gnu.org id=B39812.158283348626714 (code B ref 39812); Thu, 27 Feb 2020 19:59:02 +0000 Original-Received: (at 39812) by debbugs.gnu.org; 27 Feb 2020 19:58:06 +0000 Original-Received: from localhost ([127.0.0.1]:60306 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1j7PIM-0006wn-9W for submit@debbugs.gnu.org; Thu, 27 Feb 2020 14:58:06 -0500 Original-Received: from mail-qk1-f172.google.com ([209.85.222.172]:46496) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1j7PIK-0006wF-60 for 39812@debbugs.gnu.org; Thu, 27 Feb 2020 14:58:05 -0500 Original-Received: by mail-qk1-f172.google.com with SMTP id u124so595909qkh.13 for <39812@debbugs.gnu.org>; Thu, 27 Feb 2020 11:58:04 -0800 (PST) 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=HBGUca94Dcry2I0zgNtp+euaV4AD9xRnGXTeOF6SJu4=; b=cKJ7j99+yEdd3tXHHGci65Fkk4JS9gWJkky406jxR3re4axiGo277gdXTrTsGQnvM7 JzCjA7JfHGFR1YSyFqukCG9BYXv/YIi48f7OFx7agAqjWSi0Dugd1fZsrhWPBozlp0+G bWmLnmymFV6hLrZ8iTLoT8dMA19wSACA3uTg59Jqg6h+vNeJ3EIWZDiUQsYSuYwpVPYl PBjMRitXln8pnLHZNGC3FFunkl8OuTLnnYW87tCiLuEt+MVhKDiOeisf5tDRNriNpJB1 IymHJKRXOLdcPJlfUsI/i4+S82onF5Mvc6uHibfeHCZq903Jr4WqeOWSs6gi5LO0mz+7 I7MA== 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=HBGUca94Dcry2I0zgNtp+euaV4AD9xRnGXTeOF6SJu4=; b=oV9Izt3lTNqSenoNZoBEtcxDC+z3Mk7FBNXCdtdPT+qrS8masXC17PWsHNdx0f1v9o lFu5l1RJAISu7WJpl+Tk7Nn5v5kHveHT8qeQBhUbuss2nEi06gN5EUL/VmLS0BeXAYsk 0lH//ZkoIxy3O4i604cZrMiCQzTxuy1fLef2vp3R+lSh/vIxnRGRb+PvoFN67ZfegBL5 0JENtX4v8h5RcPH2gy9NB31FhLZ0TtYQZjFysMR3ZQG7BYbPp4YwX30GZTqghV14nHNP T2WQ80a06ZmCcUiNZgVqVNZMj3dNvNZiJnwNebM2ostwZfhvfVe+xWWZaA3ro22kg4NX 1oOg== X-Gm-Message-State: APjAAAVOTJSGTiyDpQHYiKrtYch5vtRdKTbmw/uk9Fd8swj/LcCwSSx3 +zu2CO7Vp053VTXrZdIvYXkcRPwrx3o= X-Google-Smtp-Source: APXvYqwf49eO1Nm65eEV4uLOVMRt0fjOYEn4hHMphxtk5Cy9jTa+x3i9rorRfdC7QOy8MuZCTWQ4DA== X-Received: by 2002:a37:4755:: with SMTP id u82mr1051240qka.43.1582833478360; Thu, 27 Feb 2020 11:57:58 -0800 (PST) Original-Received: from vhost2 (CPE001143542e1f-CMf81d0f809fa0.cpe.net.cable.rogers.com. [99.230.38.42]) by smtp.gmail.com with ESMTPSA id g2sm3629217qka.42.2020.02.27.11.57.57 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 27 Feb 2020 11:57:57 -0800 (PST) In-Reply-To: (Markus Triska's message of "Thu, 27 Feb 2020 20:10:22 +0100") 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:176542 Archived-At: Markus Triska writes: > To reproduce this issue, please start Emacs with "emacs -Q", then place > the following forms in the appearing *scratch* buffer: > > (defun a () > (set (make-local-variable 'face-remapping-alist) > '((default bold)))) > > (a) > (face-remap-add-relative 'default 'italic) > (a) face-remap-add-relative destructively modifies the list value, so setting face-remapping-alist to a quoted literal gives unexpected results like this. Similar to the example at the bottom of (info "(elisp) Rearrangement") > Is this still a recommended way to set this variable, should the above > example work? Is there a reliable way to set face-remapping-alist to > '((default bold)) in the function `a' so that the first example works? (defun a () (set (make-local-variable 'face-remapping-alist) (copy-tree '((default bold))))) Or (defun a () (set (make-local-variable 'face-remapping-alist) (list (list 'default 'bold))))