From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: Why does saving a buffer to a new file clear local variables? Date: Thu, 12 Dec 2024 14:01:32 +0100 Message-ID: <871pyd8383.fsf@web.de> References: <87bjxh87cr.fsf@web.de> Reply-To: Michael Heerdegen Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4859"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:kUABgw7sQchEg0eVyLifGKiI2Pk= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Dec 12 14:01:24 2024 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 1tLiom-00012r-8L for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 12 Dec 2024 14:01:24 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tLioE-0004dM-M1; Thu, 12 Dec 2024 08:00:50 -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 1tLio2-0004YB-SK for help-gnu-emacs@gnu.org; Thu, 12 Dec 2024 08:00:43 -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 1tLio1-0005B3-C4 for help-gnu-emacs@gnu.org; Thu, 12 Dec 2024 08:00:38 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1tLinx-00005I-Ct for help-gnu-emacs@gnu.org; Thu, 12 Dec 2024 14:00:33 +0100 X-Injected-Via-Gmane: http://gmane.org/ 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: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, FREEMAIL_FORGED_FROMDOMAIN=0.001, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:148778 Archived-At: Jean Louis writes: > > Are you sure that you don't just see the global binding of that > > variable? > > Unless you wish to reveal some new fact about it to me, I see that by > using `defvar-local' I can save file and variable `abc' still has > initially assigned value. > > And it has this description: > > abc’s value is 123 > > Not documented as a variable. > > Automatically becomes buffer-local when set. That's the global binding. A buffer local binding is reported as "local in buffer XYZ" - even when the local binding is the same as the global one. `defvar-local' defines a global (aka "default") value. Until you make an assignment in some buffer no buffer local bindings exist. Michael.