From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Drew Adams Newsgroups: gmane.emacs.help Subject: RE: `append' vs. `nconc' Date: Fri, 1 Jan 2016 07:04:18 -0800 (PST) Message-ID: <5e086c9e-1a03-44a1-8cd9-43f3fc6c98ce@default> References: <568164D8.6050700@ojkastl.de> <87io3iyr7t.fsf@debian.uxu> <87si2kezg1.fsf@mithlond.arda> <87a8osrlj4.fsf_-_@debian.uxu> <87lh8bgafa.fsf@mithlond.arda> <87io3fdqfm.fsf@mithlond.arda> <87bn95ddf2.fsf@kuiper.lan.informatimago.com> <87bn95tohz.fsf@debian.uxu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1451660691 23724 80.91.229.3 (1 Jan 2016 15:04:51 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 1 Jan 2016 15:04:51 +0000 (UTC) To: Emanuel Berg , help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Jan 01 16:04:39 2016 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 1aF1Fu-0006Nx-Aq for geh-help-gnu-emacs@m.gmane.org; Fri, 01 Jan 2016 16:04:38 +0100 Original-Received: from localhost ([::1]:36063 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aF1Ft-0004pK-DY for geh-help-gnu-emacs@m.gmane.org; Fri, 01 Jan 2016 10:04:37 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59687) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aF1Fi-0004pC-LM for help-gnu-emacs@gnu.org; Fri, 01 Jan 2016 10:04:27 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aF1Fe-0004jx-KH for help-gnu-emacs@gnu.org; Fri, 01 Jan 2016 10:04:26 -0500 Original-Received: from aserp1040.oracle.com ([141.146.126.69]:46323) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aF1Fe-0004jl-Ec for help-gnu-emacs@gnu.org; Fri, 01 Jan 2016 10:04:22 -0500 Original-Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u01F4JXn006941 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Fri, 1 Jan 2016 15:04:21 GMT Original-Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u01F4JTu026746 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Fri, 1 Jan 2016 15:04:19 GMT Original-Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u01F4JgW018931; Fri, 1 Jan 2016 15:04:19 GMT In-Reply-To: <87bn95tohz.fsf@debian.uxu> X-Priority: 3 X-Mailer: Oracle Beehive Extensions for Outlook 2.0.1.9 (901082) [OL 12.0.6691.5000 (x86)] X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 141.146.126.69 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:108570 Archived-At: > I have lots of ' and ` and instead of examining all > those cases I think it is easier to look for the > mutators, and see if ' or ` are used in their vicinity. > > I found this page: http://www.emacswiki.org/emacs/DestructiveOperations Yes, just keep an eye out for the mutators; that's all. And it's not about ' or `. Whenever "destructive" functions are involved, you need to keep an eye out more generally - but specifically wherever the structures get mutated or used (referenced).