From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.help Subject: Re: Is it ok to sort a list of overlays destructively? Date: Thu, 29 Jul 2021 15:33:23 +0300 Message-ID: <83mtq5s3jg.fsf@gnu.org> References: <87h7ggcov1.fsf@mbork.pl> <83bl6nvpcl.fsf@gnu.org> <87czr3ecpc.fsf@mbork.pl> <83wnpbtbsk.fsf@gnu.org> <87bl6ndlb3.fsf@mbork.pl> <83sfzyu0he.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="32052"; mail-complaints-to="usenet@ciao.gmane.io" To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jul 29 14:34:17 2021 Return-path: Envelope-to: geh-help-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 1m95Ev-00081j-I1 for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 29 Jul 2021 14:34:17 +0200 Original-Received: from localhost ([::1]:47002 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m95Et-0003PG-Jq for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 29 Jul 2021 08:34:15 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36588) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m95EQ-0003P6-L7 for help-gnu-emacs@gnu.org; Thu, 29 Jul 2021 08:33:46 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:36450) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m95EQ-00071A-ED for help-gnu-emacs@gnu.org; Thu, 29 Jul 2021 08:33:46 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:2503 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m95EO-0004IL-9u for help-gnu-emacs@gnu.org; Thu, 29 Jul 2021 08:33:46 -0400 In-Reply-To: (message from John Yates on Thu, 29 Jul 2021 07:34:07 -0400) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 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-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:132174 Archived-At: > From: John Yates > Date: Thu, 29 Jul 2021 07:34:07 -0400 > Cc: Help Gnu Emacs mailing list > > On Wed, Jul 28, 2021 at 7:44 AM Eli Zaretskii wrote: > > > > Basically, you should assume that Emacs protects itself where that is > > needed, so if it handed you a list or some other data, and nothing in > > the doc string warns you against doing something with that data, you > > are free to do that, and if that causes unexpected results, there's > > either a documentation bug or a code bug that needs to be fixed. > > I am not sure if such a statement exists in any of the manuals. Should > it not be stated explicitly somewhere? I don't think it should be, no. It's pretty much obvious, IMO.