From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: Surprising behaviour of 'append' with strings Date: Sun, 06 Nov 2022 21:57:41 +0100 Message-ID: <87a653by2i.fsf@dataswamp.org> References: <6554cc02-2082-3dca-73cc-05fee1c6c4d0.ref@yahoo.de> <6554cc02-2082-3dca-73cc-05fee1c6c4d0@yahoo.de> <87v8ns5li1.fsf@gmx.net> <871qqgdzw9.fsf@dataswamp.org> <874jvbde00.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="13828"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:5sEaXW5YJUtO4BgGptt6KwRtZZc= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Mon Nov 07 13:45:19 2022 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 1os1V9-0003OC-Ez for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 07 Nov 2022 13:45:19 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1os1Uy-0003KY-3i; Mon, 07 Nov 2022 07:45:08 -0500 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 1ormiH-0007F8-5T for help-gnu-emacs@gnu.org; Sun, 06 Nov 2022 15:57:53 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ormiF-0008Ce-H3 for help-gnu-emacs@gnu.org; Sun, 06 Nov 2022 15:57:52 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1ormiD-0004ja-Jg for help-gnu-emacs@gnu.org; Sun, 06 Nov 2022 21:57:49 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Mon, 07 Nov 2022 07:45:04 -0500 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 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-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:140777 Archived-At: Michael Heerdegen wrote: >> Strings are not really lists of characters. Well, >> conceptually they are! And `append' seems to agree ... > > Lists and strings are sequences. Hm, I wonder what those are called according to CS Type theory? Metatypes? https://en.wikipedia.org/wiki/Type_theory -- underground experts united https://dataswamp.org/~incal