From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#64537: mix lists and vectors when using backquote Date: Sat, 08 Jun 2024 19:45:45 -0400 Message-ID: References: Reply-To: Stefan Monnier Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="22688"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: 64537@debbugs.gnu.org To: Shynur Xie Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Jun 09 01:56:08 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 1sG5uq-0005jV-49 for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 09 Jun 2024 01:56:08 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sG5uV-0002vf-9T; Sat, 08 Jun 2024 19:55:47 -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 1sG5uT-0002ts-UU for bug-gnu-emacs@gnu.org; Sat, 08 Jun 2024 19:55:46 -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 1sG5uT-0002LM-Lx for bug-gnu-emacs@gnu.org; Sat, 08 Jun 2024 19:55:45 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1sG5uj-0001Jk-ND for bug-gnu-emacs@gnu.org; Sat, 08 Jun 2024 19:56:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 08 Jun 2024 23:56:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 64537 X-GNU-PR-Package: emacs Original-Received: via spool by 64537-submit@debbugs.gnu.org id=B64537.17178909224968 (code B ref 64537); Sat, 08 Jun 2024 23:56:01 +0000 Original-Received: (at 64537) by debbugs.gnu.org; 8 Jun 2024 23:55:22 +0000 Original-Received: from localhost ([127.0.0.1]:48764 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sG5u5-0001I1-24 for submit@debbugs.gnu.org; Sat, 08 Jun 2024 19:55:22 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:5676) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sG5lE-0000u8-Rs for 64537@debbugs.gnu.org; Sat, 08 Jun 2024 19:46:13 -0400 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 1CBCC100048; Sat, 8 Jun 2024 19:45:51 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1717890345; bh=aoC+W+PU/uwSlleHbJAbNkbfUAXmBFFFZ59xqGswavc=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=PsNdyRUefYG8x4CqE4C7YNYgsfueeIj7r9/KrBh1PfT+WbAkiJxU5gAI3NmKztVFG u3ISY/8vQ864suTm3JOvVsm8YYFue2srG5TYWwYIG0ss018U7u1BYze/HzkOkdtiPZ CCL2A87zQaCZlaEQSeTpo42jKA1YQhnoUlsEalE+tyKfiwMQIW9SJzDaBoWL2TDPpU rmavhAOXrL0S5wBw4dE97Tpj7LReT6Ea/jtnSqesKF85jAdVDB6rcnUevta/jIez/v FOxT4g+KMYtZ1KC7n6G+M5nGuG1rkf/Kbk6BQKl3h0GKzF+bDzfgBznNn+DCEysTba yzo0IpQCsPRCA== Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id E326F100035; Sat, 8 Jun 2024 19:45:45 -0400 (EDT) Original-Received: from pastel (unknown [24.140.236.196]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id BB9DF12023C; Sat, 8 Jun 2024 19:45:45 -0400 (EDT) In-Reply-To: (Shynur Xie's message of "Sun, 9 Jul 2023 05:40:46 +0000") 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:286899 Archived-At: > `(... ,@[...]) ; by contrast: `(,@[] 1) => (1) AFAICT this is the result of an optimization: `(BAR ,@FOO) is optimized to `(BAR . ,FOO) I expect a fair bit of code "relies" on this optimization, so I'm not sure we want to "fix" it. > `[,@'()] ; by contrast: `[1 ,@'()] => [1] This looks like a plain bug (probably linked to another optimization). `[,@(not t)] doesn't suffer from this problem but `[,@'[]] also suffers from it. Stefan