From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Drew Adams Newsgroups: gmane.emacs.bugs Subject: bug#64960: Documentation for copy-sequence Date: Mon, 31 Jul 2023 14:34:19 +0000 Message-ID: References: <83leex2qmn.fsf@gnu.org> <83ila03jnr.fsf@gnu.org> <877cqgwt4q.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="36925"; mail-complaints-to="usenet@ciao.gmane.io" Cc: "eliz@gnu.org" , "uzibalqa@proton.me" To: Michael Heerdegen , "64960@debbugs.gnu.org" <64960@debbugs.gnu.org> Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jul 31 16:35:19 2023 Return-path: Envelope-to: geb-bug-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 1qQTzS-0009PQ-T0 for geb-bug-gnu-emacs@m.gmane-mx.org; 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That's what "shared" means. > > > > Except for strings >=20 > It is irrelevant what happens when you modify elements of a copied > string because it is impossible. The statement is simply not applicable > to strings. That's why the docstring only speaks of "list, vector or > record". >=20 > Note that substituting a character in a string is not the same as > modifying the character. You are substituting a sequence element with > another one and not modifying an element in that case. >=20 > The same is true for the list (1 2 3) for example. Exactly the same > situation as for a string: You can replace the number 2 in a copy with > another one but you can't modify the number 2 in the list. Numbers and > characters are not mutable. Well put.