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 13:35:18 +0100 Message-ID: <871qqgdzw9.fsf@dataswamp.org> References: <6554cc02-2082-3dca-73cc-05fee1c6c4d0.ref@yahoo.de> <6554cc02-2082-3dca-73cc-05fee1c6c4d0@yahoo.de> <87v8ns5li1.fsf@gmx.net> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="36267"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:AVFbus+jkEcU3iEExloAIOX0jcQ= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Nov 06 15:29:21 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 1orgeH-0009HC-3z for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 06 Nov 2022 15:29:21 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1orgdz-0000D5-8c; Sun, 06 Nov 2022 09:29:03 -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 1orewc-0002jZ-Mt for help-gnu-emacs@gnu.org; Sun, 06 Nov 2022 07:40:12 -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 1orewX-0007vc-GQ for help-gnu-emacs@gnu.org; Sun, 06 Nov 2022 07:40:06 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1orewU-0008a2-5n for help-gnu-emacs@gnu.org; Sun, 06 Nov 2022 13:40:02 +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: Sun, 06 Nov 2022 09:29:01 -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: , Original-Sender: "help-gnu-emacs" Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:140730 Archived-At: Stephen Berman wrote: >> I tested it like this: >> >> (append "1") -> "1" >> (append "1" "2") -> (49 . "2") >> >> That behaviour is surprising and it does not fit the bill. > > It appears you didn't appreciate the preceding line of the > doc string: "The result is a list whose elements are the > elements of all the arguments." So the result contains the > elements of the string "1", which is just the single > character ?1, whose value is 49. Strings are not really lists of characters. Well, conceptually they are! And `append' seems to agree ... -- underground experts united https://dataswamp.org/~incal