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: Is there a way of setting a variable only when it exists? Date: Fri, 18 Mar 2022 20:59:47 +0300 Message-ID: References: <87lexdul8e.fsf@mbork.pl> <87lexcnq3w.fsf@web.de> <87bky7viz2.fsf@mbork.pl> <87a6dq3fr6.fsf@web.de> <87wngtu4r1.fsf@mbork.pl> <87tubxbpq7.fsf@zoho.eu> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="16691"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.2.0 (2022-02-12) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Mar 19 10:08:58 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 1nVV50-0004Cl-1l for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 19 Mar 2022 10:08:58 +0100 Original-Received: from localhost ([::1]:36474 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nVV4x-000359-RT for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 19 Mar 2022 05:08:55 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:55776) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nVV41-000351-Vy for help-gnu-emacs@gnu.org; Sat, 19 Mar 2022 05:07:58 -0400 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:44389) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nVV40-00041F-EX for help-gnu-emacs@gnu.org; Sat, 19 Mar 2022 05:07:57 -0400 Original-Received: from localhost ([::ffff:41.210.155.124]) (AUTH: PLAIN admin, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 000000000005BF0F.0000000062359D49.00000AE6; Sat, 19 Mar 2022 02:07:21 -0700 Mail-Followup-To: help-gnu-emacs@gnu.org Content-Disposition: inline In-Reply-To: <87tubxbpq7.fsf@zoho.eu> Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: -8 X-Spam_score: -0.9 X-Spam_bar: / X-Spam_report: (-0.9 / 5.0 requ) BAYES_00=-1.9, DATE_IN_PAST_12_24=1.049, SPF_HELO_PASS=-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:136673 Archived-At: * Emanuel Berg via Users list for the GNU Emacs text editor [2022-03-17 21:59]: > 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 ... It's going to be over the years not easily understood. Maybe Emacs need some better "warning" or instructions how to initiate byte compiling. -- Jean Take action in Free Software Foundation campaigns: https://www.fsf.org/campaigns In support of Richard M. Stallman https://stallmansupport.org/