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: closure within closure, incorrect (?) byte-compiler warnings Date: Tue, 09 Nov 2021 00:35:39 +0100 Message-ID: <87o86u2pbo.fsf@zoho.eu> References: <87o874tkvv.fsf@zoho.eu> <87sfw62qj6.fsf@zoho.eu> Reply-To: Emanuel Berg 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="21318"; 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:OIkqg0nuJh4ymoeFAsqFSXZuXM4= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Nov 09 00:36:22 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 1mkEBZ-0005MY-Vp for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 09 Nov 2021 00:36:21 +0100 Original-Received: from localhost ([::1]:57538 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkEBY-0001t0-9b for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 08 Nov 2021 18:36:20 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:40958) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkEB4-0001sp-Uz for help-gnu-emacs@gnu.org; Mon, 08 Nov 2021 18:35:50 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:41740) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkEB3-0003MG-8M for help-gnu-emacs@gnu.org; Mon, 08 Nov 2021 18:35:50 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1mkEB1-0004ge-V7 for help-gnu-emacs@gnu.org; Tue, 09 Nov 2021 00:35:47 +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: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, 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:134461 Archived-At: >> You might want to `M-x report-emacs-bug` (and if so, please >> put me in the `X-Debbugs-Cc:`). > > OK, I hope to do that soon ... This sums it up ... three bugs? ;;; -*- lexical-binding: t -*- ;;; ;;; this file: ;;; http://user.it.uu.se/~embe8573/emacs-init/geh.el ;;; https://dataswamp.org/~incal/emacs-init/geh.el (let ((data-item 1) (more-data 2) ) (defun echo-data (&optional data) (interactive (list (read-number "number: " (or data-item more-data)))) (message "data: %s" (or data data-item)) )) ;; (echo-data 5) ;; (echo-data) ;; (call-interactively #'echo-data) ;; Emacs 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 -- underground experts united https://dataswamp.org/~incal