From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David Kastrup Newsgroups: gmane.emacs.devel Subject: Re: How to find when a function/var has been added Date: Wed, 05 Aug 2015 21:06:59 +0200 Message-ID: <87wpx9367g.fsf@fencepost.gnu.org> References: <55C25834.3020305@cumego.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1438801657 11589 80.91.229.3 (5 Aug 2015 19:07:37 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 5 Aug 2015 19:07:37 +0000 (UTC) Cc: emacs-devel@gnu.org To: =?utf-8?Q?Przemys=C5=82aw?= Wojnowski Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Aug 05 21:07:27 2015 Return-path: Envelope-to: ged-emacs-devel@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 1ZN42A-0001FY-Ue for ged-emacs-devel@m.gmane.org; Wed, 05 Aug 2015 21:07:27 +0200 Original-Received: from localhost ([::1]:41806 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZN42A-0003eJ-7l for ged-emacs-devel@m.gmane.org; Wed, 05 Aug 2015 15:07:26 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50027) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZN41v-0003eE-S9 for emacs-devel@gnu.org; Wed, 05 Aug 2015 15:07:12 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZN41s-0004Qt-FD for emacs-devel@gnu.org; Wed, 05 Aug 2015 15:07:11 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:59832) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZN41k-0004Pn-7N; Wed, 05 Aug 2015 15:07:00 -0400 Original-Received: from localhost ([127.0.0.1]:45418 helo=lola) by fencepost.gnu.org with esmtp (Exim 4.82) (envelope-from ) id 1ZN41j-0000kl-Ll; Wed, 05 Aug 2015 15:06:59 -0400 Original-Received: by lola (Postfix, from userid 1000) id 203A2E0C84; Wed, 5 Aug 2015 21:06:59 +0200 (CEST) In-Reply-To: <55C25834.3020305@cumego.com> (=?utf-8?Q?=22Przemys=C5=82aw?= Wojnowski"'s message of "Wed, 05 Aug 2015 20:38:44 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:188460 Archived-At: Przemys=C5=82aw Wojnowski writes: > Hello everybody, > > What is the fastest way to find out since when a function/var is > available in Emacs? Only through NEWS? > > It's common case when one writes an elisp package and want to preserve > compatibility with previous Emacs versions. > > In Java it's very common to see in docs on classes/methods/fields > "Since: n", where "n" is Java version. Wouldn't such information help > in core Emacs libs too? What do you think? customize-changed is an alias for =E2=80=98customize-changed-options=E2=80= =99. (customize-changed &optional SINCE-VERSION) Customize all settings whose meanings have changed in Emacs itself. This includes new user options and faces, and new customization groups, as well as older options and faces whose meanings or default values have changed since the previous major Emacs release. With argument SINCE-VERSION (a string), customize all settings that were added or redefined since that version. [back] --=20 David Kastrup