From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Rankin Newsgroups: gmane.emacs.help Subject: Re: How to find when a feature was introduced Date: Fri, 08 Jul 2016 14:53:16 +1000 Message-ID: <1467953596.3500300.660244737.0CDCE013@webmail.messagingengine.com> References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1467953672 10835 80.91.229.3 (8 Jul 2016 04:54:32 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 8 Jul 2016 04:54:32 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Jul 08 06:54:22 2016 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1bLNny-0006FA-HI for geh-help-gnu-emacs@m.gmane.org; Fri, 08 Jul 2016 06:54:22 +0200 Original-Received: from localhost ([::1]:43560 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bLNnx-0004tQ-T1 for geh-help-gnu-emacs@m.gmane.org; Fri, 08 Jul 2016 00:54:21 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56745) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bLNnC-0004qy-8m for help-gnu-emacs@gnu.org; Fri, 08 Jul 2016 00:53:35 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bLNn7-0000gQ-TH for help-gnu-emacs@gnu.org; Fri, 08 Jul 2016 00:53:33 -0400 Original-Received: from out1-smtp.messagingengine.com ([66.111.4.25]:58906) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bLNn5-0000Zm-Gt for help-gnu-emacs@gnu.org; Fri, 08 Jul 2016 00:53:29 -0400 Original-Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.nyi.internal (Postfix) with ESMTP id 2ED8020178 for ; Fri, 8 Jul 2016 00:53:17 -0400 (EDT) Original-Received: from web1 ([10.202.2.211]) by compute5.internal (MEProxy); Fri, 08 Jul 2016 00:53:17 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=paulwrankin.com; h=content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=wybUt8RfyyNlyuSHOcfBFYgsIkw=; b=ttXJ2l DOaLbcAltPuEMJQ99T30DCRfBDsZQYsMmQMgtuB84pDGVu/b6yYuJqcW2kd9ubVF av6zN64SiFW3hZswDctvnpemkS9RmzCJxrvkS9SEjP0SpMgXMNWW3SZ9pr9IXEiD NjmXZPjpWrW2fDtQRwduV1LUWYD2sg6AJ9MJg= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=wybUt8RfyyNlyuS HOcfBFYgsIkw=; b=W1a9SWzTq8Vm41W4qo/r3TyivmA1ZglYGpZ7u5JkA3yox7m 9tjw2nqT1jTu2H9aPylRtaQhXak5BcRBJ085bGSd9JzETNrHwyVfKld/wgEM62rz KXQX4vFkKWmKQZiAYy/BX0cGGd82tpzMABDHxElsDcaeIuwPQ6Ed9BkI+Hrc= Original-Received: by mailuser.nyi.internal (Postfix, from userid 99) id E84CA6A1A0; Fri, 8 Jul 2016 00:53:16 -0400 (EDT) X-Sasl-Enc: 7d1kQHWsaDYj6lV3vUdc6AGG9qaiDhk5HVwmK7VHkZeu 1467953596 X-Mailer: MessagingEngine.com Webmail Interface - ajax-22cd3445 In-Reply-To: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 66.111.4.25 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:110723 Archived-At: Kaushal Modi on Fri, 08 Jul 2016 04:41 +0000: > For not know a better way, I would just grep the NEWS* files in the etc/ > directory for the function/variable name. > > ... > > On Fri, Jul 8, 2016 at 12:30 AM Rusi wrote: > > > Student sent me this > > > > Symbol's function definition is void: with-eval-after-load > > > > Figured this came from a slightly oldish ubuntu > > > > Then found the with-eval-after-load in gnu-apl-mode > > > > So now I need to tell my students gnu-apl-mode will not run in emacsen > > less than > > version X > > > > How to find out X? Within Emacs... M-x view-emacs-news RET C-s FEATURE -- Paul W. Rankin www.paulwrankin.com