From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.bugs Subject: bug#40692: 28.0.50; Constant list modified inside function Date: Sun, 19 Apr 2020 00:49:02 +0200 Message-ID: <87sgh0xvdt.fsf@web.de> References: <57990C74-5CA1-42E6-83EC-7F6858AFD0E7@gmail.com> <87ftd1883t.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="127022"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Ivan Andrus , 40692@debbugs.gnu.org To: =?UTF-8?Q?=C5=A0t=C4=9Bp=C3=A1n_?= =?UTF-8?Q?N=C4=9Bmec?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Apr 19 00:50:48 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 1jPwIS-000WwH-H8 for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 19 Apr 2020 00:50:48 +0200 Original-Received: from localhost ([::1]:34154 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jPwIR-0005wB-0V for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 18 Apr 2020 18:50:47 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47488) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jPwHi-0005w4-SL for bug-gnu-emacs@gnu.org; Sat, 18 Apr 2020 18:50:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.90_1) (envelope-from ) id 1jPwHi-0000O6-Eq for bug-gnu-emacs@gnu.org; Sat, 18 Apr 2020 18:50:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:60427) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jPwHi-0000Ny-1q for bug-gnu-emacs@gnu.org; Sat, 18 Apr 2020 18:50:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jPwHh-000791-Uv for bug-gnu-emacs@gnu.org; Sat, 18 Apr 2020 18:50:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Michael Heerdegen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 18 Apr 2020 22:50:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40692 X-GNU-PR-Package: emacs Original-Received: via spool by 40692-submit@debbugs.gnu.org id=B40692.158725014927388 (code B ref 40692); Sat, 18 Apr 2020 22:50:01 +0000 Original-Received: (at 40692) by debbugs.gnu.org; 18 Apr 2020 22:49:09 +0000 Original-Received: from localhost ([127.0.0.1]:43740 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jPwGr-00077g-Ee for submit@debbugs.gnu.org; Sat, 18 Apr 2020 18:49:09 -0400 Original-Received: from mout.web.de ([212.227.17.11]:46979) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jPwGp-00077G-IU for 40692@debbugs.gnu.org; Sat, 18 Apr 2020 18:49:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1587250140; bh=HlkR2uQrP6QR3cvXZs7UMLCNA0uWqmrzzVK5xl8wsOE=; h=X-UI-Sender-Class:From:To:Cc:Subject:References:Date:In-Reply-To; b=he5g7WTD3CmPdjh2pVszBN9sZkF9UC/EEuEgL7jw4JSIVN0k5+F4IG3D1w3oaeALF 9f5+OHfiD6spWlsC/XyUejBDanpwM35nKVBI/hzZ2IfCLl3PV0IAGNfX+g34kOdiKq FmYbgriaNlqCb4LgACTo0vve5dhRL/3fupvbpiFM= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Original-Received: from drachen.dragon ([188.98.99.7]) by smtp.web.de (mrweb102 [213.165.67.124]) with ESMTPSA (Nemesis) id 0LiCsx-1iuE5X2JEJ-00nODp; Sun, 19 Apr 2020 00:49:00 +0200 In-Reply-To: <87ftd1883t.fsf@gmail.com> ("=?UTF-8?Q?=C5=A0t=C4=9Bp=C3=A1n_?= =?UTF-8?Q?N=C4=9Bmec?="'s message of "Sat, 18 Apr 2020 11:18:46 +0200") X-Provags-ID: V03:K1:VX9vVDVbhy69i3D0A3ui3I0cLXdm1aHkx+30BvrZ7HeedOeALsG jeft05JJyyuqHDBCTLxeG1BTd5exka0HthFpheSu7EZkoyUY8LhsW9VfAd0eFyM+2Rks8Yc Vehq36D9G+OfEbzjZx2GOX2AW6JpIeR08/dHcryPo+Dm/AUIs4WU/TuwJdPkBVAN70LW+Fr 5JsBzH+kpkhDKilTwHpMg== X-UI-Out-Filterresults: notjunk:1;V03:K0:pJ6PTc2X3xI=:ZOgp6zDF1N9z2uq9/kGkVJ lduzrjCQ4T/4/kubxoXm9EmxeKzSSrBWtG8o/wbbAyBcQg4W/XhyxIwM8fCR1OeNeVKEhoiTg YTmFOMeu3qPPhEBzvEt8LhzrmFz2z+fC7+YqlotcxZNJsgksdSKZjusmZqoh9h5JeIiN0ia/z sm2GILCBRCsVLhrjCnUmotci61gim0Mp/KohRzwEqeZmj45ZBeLsNBwXyVT2rgtVJR7gRuYCN p6pOrTMElbNHSGssyqitdDUwhGr8HfqAu2lLYlxhFvUi+5NFRqPsxmA5H3m9tbb4u+D/lB0uL acBFv4U9P8kZ8mcEdTbcSB9ra+8kG7nog6mzPaKgYVcaP5WlAy8oZygJRyXAJqe/295JvGULv bou1JyoQwDNwz6mswtSnQYTPaqkSGL+Q9vqgken/Mq8Z7NZ/jBXTfPivsNmSTh326RmFvkGj6 nToVo0u/8HylqLHXR98bpwlC+zJiPJUuO+nznJgZTKg3T0lgbj7m8bpoPbMWGjCff2fcvQZMF Ukchl8BLSyTQxI66TAtghSTXnkeLco6sLlJbuY3Sl4i/Mfh9CJAjoyo41AXiwoEzJbqeqK2RP RWKsGM9WvN14lpY1NINuvBkjP6u6kfrfjPwgAZ50NM7mPU0PRZL9iPEW/QaKQAJ1t/3dB6/oP 1MIDVjcvN4DvQ3fB4/o64fGx9Zslt4WoZFf+zV64IxBXxpdzR5gr1c1M/Hw3DTynNtyYMxujh zNHzE1cm9ML5fjNqjSyjryb9Om2cptyz4XnIpgksIo/VFqOUyykfDl56ht7ra47XGiugCjVv X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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:178604 Archived-At: =C5=A0t=C4=9Bp=C3=A1n N=C4=9Bmec writes: > > Now, I understand reference semantics of lists in general, but it > > seems like this should be different. If this behavior is intentional, > > I think it is, although I admit I was confused by it, too, as I've > somehow come to believe that e.g. `(list) macroexpands to (list 'list), > but that's not the case: it expands to '(list). Yes, I had been bitten by this as well some time ago. I don't find the discussion anymore, I had asked somewhere and the answer was that it's an intended feature of backquote to produce an expansion like that. Michael.