From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Marcin Borkowski Newsgroups: gmane.emacs.help Subject: Re: Is there a way of setting a variable only when it exists? Date: Wed, 16 Mar 2022 19:33:22 +0100 Message-ID: <87wngtu4r1.fsf@mbork.pl> References: <87lexdul8e.fsf@mbork.pl> <87lexcnq3w.fsf@web.de> <87bky7viz2.fsf@mbork.pl> <87a6dq3fr6.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="23324"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: mu4e 1.1.0; emacs 29.0.50 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 Wed Mar 16 19:36:33 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 1nUYVd-0005qS-DE for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 16 Mar 2022 19:36:33 +0100 Original-Received: from localhost ([::1]:40282 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nUYVc-0001nz-5M for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 16 Mar 2022 14:36:32 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:36068) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nUYSn-0000Td-Uy for help-gnu-emacs@gnu.org; Wed, 16 Mar 2022 14:33:39 -0400 Original-Received: from mail.mojserwer.eu ([195.110.48.8]:51624) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nUYSm-000697-16 for help-gnu-emacs@gnu.org; Wed, 16 Mar 2022 14:33:37 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by mail.mojserwer.eu (Postfix) with ESMTP id CDADDE70F3; Wed, 16 Mar 2022 19:33:33 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at mail.mojserwer.eu Original-Received: from mail.mojserwer.eu ([127.0.0.1]) by localhost (mail.mojserwer.eu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Eqq0S2yIOh6L; Wed, 16 Mar 2022 19:33:22 +0100 (CET) Original-Received: from localhost (83.8.166.110.ipv4.supernova.orange.pl [83.8.166.110]) by mail.mojserwer.eu (Postfix) with ESMTPSA id C4E94E653B; Wed, 16 Mar 2022 19:33:22 +0100 (CET) In-reply-to: <87a6dq3fr6.fsf@web.de> Received-SPF: pass client-ip=195.110.48.8; envelope-from=mbork@mbork.pl; helo=mail.mojserwer.eu X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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" Xref: news.gmane.io gmane.emacs.help:136615 Archived-At: On 2022-03-16, at 01:25, Michael Heerdegen wrote: > Marcin Borkowski writes: > >> Not necessarily. My use-case is an internal Emacs variable I'm setting >> in my `init.el'; at the same time I submitted a bug report/feature >> request to make it a user option, so I assume that it might change its >> name in a future Emacs version. > > If that happens, compiling your init.el will then normally give you an > "assignment to free variable" warning, no? I didn't think about it. OTOH, why would I compile my init.el? -- Marcin Borkowski http://mbork.pl