From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: "Nelson H. F. Beebe" Newsgroups: gmane.emacs.devel Subject: Re: emacs-27 breaks null function Date: Mon, 6 Apr 2020 12:37:38 -0600 Message-ID: References: <87o8s4fqwj.fsf@igel.home> Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="100605"; mail-complaints-to="usenet@ciao.gmane.io" Cc: beebe@math.utah.edu, emacs-devel@gnu.org To: Andreas Schwab Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Apr 06 20:38:43 2020 Return-path: Envelope-to: ged-emacs-devel@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 1jLWdu-000Q1w-4V for ged-emacs-devel@m.gmane-mx.org; Mon, 06 Apr 2020 20:38:42 +0200 Original-Received: from localhost ([::1]:36978 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jLWdt-0007zl-6d for ged-emacs-devel@m.gmane-mx.org; Mon, 06 Apr 2020 14:38:41 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47116) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jLWd5-0006mC-IO for emacs-devel@gnu.org; Mon, 06 Apr 2020 14:37:52 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jLWd4-0006Nd-A9 for emacs-devel@gnu.org; Mon, 06 Apr 2020 14:37:51 -0400 Original-Received: from ipo7.cc.utah.edu ([155.97.144.42]:4403) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jLWd4-0006Lm-3o for emacs-devel@gnu.org; Mon, 06 Apr 2020 14:37:50 -0400 X-IronPort-AV: E=Sophos;i="5.72,352,1580799600"; d="scan'208";a="72032061" Original-Received: from mail.math.utah.edu ([155.101.98.135]) by ipo7smtp.cc.utah.edu with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Apr 2020 12:37:39 -0600 Original-Received: from gamma.math.utah.edu (gamma.math.utah.edu [155.101.96.20]) by mail.math.utah.edu (8.14.8/8.14.8) with ESMTP id 036IbcLf010762; Mon, 6 Apr 2020 12:37:38 -0600 (MDT) Original-Received: from gamma.math.utah.edu (localhost [127.0.0.1]) by gamma.math.utah.edu (8.15.1/8.15.1) with ESMTP id 036Ibc6K013850; Mon, 6 Apr 2020 12:37:38 -0600 Original-Received: (from beebe@localhost) by gamma.math.utah.edu (8.15.1/8.15.1/Submit) id 036IbcJN013849; Mon, 6 Apr 2020 12:37:38 -0600 X-US-Mail: "Department of Mathematics, 110 LCB, University of Utah, 155 S 1400 E RM 233, Salt Lake City, UT 84112-0090, USA" X-Telephone: +1 801 581 5254 X-FAX: +1 801 581 4148 X-URL: http://www.math.utah.edu/~beebe In-Reply-To: <87o8s4fqwj.fsf@igel.home> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (mail.math.utah.edu [155.101.98.135]); Mon, 06 Apr 2020 12:37:38 -0600 (MDT) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 155.97.144.42 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:246551 Archived-At: Andreas Schwab writes in response: >> That variable (executing-macro) as been marked obsolete for more than 24 years. >> The alias has finally been removed in emacs 27. Use executing-kbd-macro >> instead. Thanks, that solves the problem for the particular use of executing-macro, but what about testing for an undefined variable in general, such as (null this-var-might-not-be-defined-but-might-also-be-defined) ? ------------------------------------------------------------------------------- - Nelson H. F. Beebe Tel: +1 801 581 5254 - - University of Utah FAX: +1 801 581 4148 - - Department of Mathematics, 110 LCB Internet e-mail: beebe@math.utah.edu - - 155 S 1400 E RM 233 beebe@acm.org beebe@computer.org - - Salt Lake City, UT 84112-0090, USA URL: http://www.math.utah.edu/~beebe/ - -------------------------------------------------------------------------------