From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: Re: Why does saving a buffer to a new file clear local variables? Date: Thu, 12 Dec 2024 15:41:57 +0300 Message-ID: References: <87bjxh87cr.fsf@web.de> 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="9378"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.2.12 (2023-09-09) Cc: help-gnu-emacs@gnu.org To: Michael Heerdegen Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Dec 12 13:43:00 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 1tLiWx-0002IM-Rp for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 12 Dec 2024 13:42:59 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tLiWB-0000nt-Nf; Thu, 12 Dec 2024 07:42:11 -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 1tLiW8-0000nQ-3n for help-gnu-emacs@gnu.org; Thu, 12 Dec 2024 07:42:08 -0500 Original-Received: from stw1.rcdrun.com ([217.170.207.13]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tLiW6-0000mC-5R for help-gnu-emacs@gnu.org; Thu, 12 Dec 2024 07:42:07 -0500 Original-Received: from localhost ([::ffff:41.75.190.237]) (AUTH: PLAIN admin, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 0000000000081F8A.00000000675ADA1A.0006C781; Thu, 12 Dec 2024 05:42:01 -0700 Mail-Followup-To: Michael Heerdegen , help-gnu-emacs@gnu.org Content-Disposition: inline In-Reply-To: <87bjxh87cr.fsf@web.de> Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham 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:148776 Archived-At: * Michael Heerdegen via Users list for the GNU Emacs text editor [2024-12-12 14:33]: > Jean Louis writes: > > > I have just checked it, try doing it this way: > > > > (defvar-local abc 123) > > > > save the buffer, and verify the abc is still there. > > 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. > > This way, it doesn't work, variable must be symbol, not string: > > (make-variable-buffer-local "abc") > > Please note that `make-variable-buffer-local' is a function (in contrast > to `defvar' or `defvar-local' which are macros), so the argument > (expression) is evaluated and should return a symbol. When you want to > specify a symbol quote its name: 'SYMBOL. That is for original poster. I also said that way it would not work. -- Jean Louis