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: [External] : Re: Generality of defvar Date: Mon, 01 Aug 2022 05:24:50 +0200 Message-ID: <87y1w8ejct.fsf@dataswamp.org> References: <874jz3sbvm.fsf@dataswamp.org> <87ilnfrjyb.fsf@dataswamp.org> <87y1wb5k3m.fsf@dataswamp.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40817"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:U1FZ4EE+tUueM37e6IjjGR7WxY0= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Mon Aug 01 05:46:01 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 1oIMNV-000ARr-5N for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 01 Aug 2022 05:46:01 +0200 Original-Received: from localhost ([::1]:48024 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oIMNT-0000oz-Qy for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 31 Jul 2022 23:45:59 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44352) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oIMMe-0000om-2f for help-gnu-emacs@gnu.org; Sun, 31 Jul 2022 23:45:09 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:34678) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oIMMc-0001t7-Bf for help-gnu-emacs@gnu.org; Sun, 31 Jul 2022 23:45:07 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1oIMMY-0009Gc-G4 for help-gnu-emacs@gnu.org; Mon, 01 Aug 2022 05:45:02 +0200 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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action 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" Xref: news.gmane.io gmane.emacs.help:138696 Archived-At: Drew Adams wrote: >>>>> Yes, but you can press C-M-x on a (defvar var-name >>>>> 'var-value) and it will get re-set to the new value even >>>>> if the variable is already defined. >>>> >>>> So you can! I just tested and you are right. Did they >>>> change that recently? >>> >>> 80s? 70s? >> >> Haha :) >> >> Nevermind then. > > Sorry, I guess that might have sounded a bit snarky. No, I like the old-school parts of me. The parts of me that I consider old-school ... > Dunno when this behavior was defined for Elisp `defvar' (and > some others), but it's been there as long as I can remember, > which probably goes back to Emacs 18, in the early 80s. Yeah, must have picked that up from some old manual. -- underground experts united https://dataswamp.org/~incal