From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Marcin Borkowski Newsgroups: gmane.emacs.help Subject: Re: Elisps rplacd vs CL's one Date: Sun, 30 Aug 2015 06:51:37 +0200 Message-ID: <87twrhml9i.fsf@mbork.pl> References: <87oahqlgpo.fsf@mbork.pl> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1440910337 20812 80.91.229.3 (30 Aug 2015 04:52:17 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 30 Aug 2015 04:52:17 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Aug 30 06:52:04 2015 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZVub6-0007dH-1J for geh-help-gnu-emacs@m.gmane.org; Sun, 30 Aug 2015 06:52:04 +0200 Original-Received: from localhost ([::1]:56599 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZVub5-0000w9-Pb for geh-help-gnu-emacs@m.gmane.org; Sun, 30 Aug 2015 00:52:03 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39289) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZVuat-0000w1-HW for help-gnu-emacs@gnu.org; Sun, 30 Aug 2015 00:51:52 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZVuas-0003pf-HU for help-gnu-emacs@gnu.org; Sun, 30 Aug 2015 00:51:51 -0400 Original-Received: from mail.mojserwer.eu ([2a01:5e00:2:52::8]:58271) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZVuas-0003pb-A4 for help-gnu-emacs@gnu.org; Sun, 30 Aug 2015 00:51:50 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by mail.mojserwer.eu (Postfix) with ESMTP id 6F44E6F2005 for ; Sun, 30 Aug 2015 06:51:46 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mail.mojserwer.eu Original-Received: from mail.mojserwer.eu ([127.0.0.1]) by localhost (mail.mojserwer.eu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HnkgALz4FMeC for ; Sun, 30 Aug 2015 06:51:43 +0200 (CEST) Original-Received: from localhost (unknown [IPv6:2001:808:114:6:6c66:2cd2:1b76:45d]) by mail.mojserwer.eu (Postfix) with ESMTPSA id B90A26F2003 for ; Sun, 30 Aug 2015 06:51:43 +0200 (CEST) In-reply-to: X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2a01:5e00:2:52::8 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:106929 Archived-At: On 2015-08-30, at 00:05, Stefan Monnier wrote: > FWIW, I consider the use of rplacd's return value to be a very bad idea. I stumbled on it while studying the implementation of APPEND in CCL (sent to the list by Pascal some time ago). > Stefan Best, -- Marcin Borkowski http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski Faculty of Mathematics and Computer Science Adam Mickiewicz University