From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.help Subject: Re: closure within closure, incorrect (?) byte-compiler warnings Date: Tue, 09 Nov 2021 01:04:12 +0100 Message-ID: <875yt29oub.fsf@web.de> References: <87o874tkvv.fsf@zoho.eu> <87sfw62qj6.fsf@zoho.eu> <87o86u2pbo.fsf@zoho.eu> 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="1116"; 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:Mju0NKo1eh8STYHqYsA542BG6AQ= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Nov 09 01:05:19 2021 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 1mkEdb-00007A-E4 for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 09 Nov 2021 01:05:19 +0100 Original-Received: from localhost ([::1]:38728 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkEda-0001VM-7X for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 08 Nov 2021 19:05:18 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:45834) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkEci-0001Uy-U8 for help-gnu-emacs@gnu.org; Mon, 08 Nov 2021 19:04:24 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:55362) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkEch-0003SK-FV for help-gnu-emacs@gnu.org; Mon, 08 Nov 2021 19:04:24 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1mkEcf-0009LY-Ct for help-gnu-emacs@gnu.org; Tue, 09 Nov 2021 01:04:21 +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: -13 X-Spam_score: -1.4 X-Spam_bar: - X-Spam_report: (-1.4 / 5.0 requ) BAYES_00=-1.9, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, 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" Xref: news.gmane.io gmane.emacs.help:134462 Archived-At: Emanuel Berg via Users list for the GNU Emacs text editor writes: > This sums it up ... three bugs? > ;; 1. Byte compiler warnings (two cases) relating to the > ;; interactive spec: > ;; > ;; geh.el:7:1: Warning: Unused lexical variable `more-data' > ;; geh.el:10:54: Warning: reference to free variable ‘data-item’ > ;; geh.el:10:64: Warning: reference to free variable ‘more-data’ > ;; > ;; 2. When the compiled version is used interactively: > ;; > ;; Symbol's value as variable is void: data-item These are all symptoms of one and the same issue: the interactive spec currently can't refer to outer lexical variables. The warnings are actually legitimate, they only warn about this limitation. So: one bug (there was no Bug #3 in your list btw). Michael.