From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: Is there a way of setting a variable only when it exists? Date: Wed, 16 Mar 2022 21:35:12 +0100 Message-ID: <87tubxbpq7.fsf@zoho.eu> References: <87lexdul8e.fsf@mbork.pl> <87lexcnq3w.fsf@web.de> <87bky7viz2.fsf@mbork.pl> <87a6dq3fr6.fsf@web.de> <87wngtu4r1.fsf@mbork.pl> Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7429"; 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: sha1:9H1zGZ4zEjQOTu03IW+AskulIp0= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Mar 17 19:59:13 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 1nUvL7-0001l0-Cq for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 17 Mar 2022 19:59:13 +0100 Original-Received: from localhost ([::1]:56868 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nUvL6-00042r-Eg for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 17 Mar 2022 14:59:12 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:33356) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nUaMc-0000EF-UO for help-gnu-emacs@gnu.org; Wed, 16 Mar 2022 16:35:25 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:60528) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nUaMa-0008Jq-Ol for help-gnu-emacs@gnu.org; Wed, 16 Mar 2022 16:35:22 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1nUaMY-0003sI-VV for help-gnu-emacs@gnu.org; Wed, 16 Mar 2022 21:35:18 +0100 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-Mailman-Approved-At: Thu, 17 Mar 2022 14:58:27 -0400 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:136645 Archived-At: Marcin Borkowski wrote: >> 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? To get .elc which is better, faster byte-code as well as the other advantages of code-improvement that the byte-compiler's messages leads to if you take proper action ... This has been mentioned many times over the years here not the least ... -- underground experts united https://dataswamp.org/~incal