From: Nobuyoshi Nakada <nobu.nokada@...>
Date: 2002-04-09T11:39:24+09:00
Subject: Re: [patch] update to (X)Emacs modes

Hi,

At Tue, 9 Apr 2002 07:11:31 +0900,
Ville Skytt� wrote:
> > I have a question about backward compatibility, from which
> > version of (X)Emacs are the functions you used (defgroup,
> > defcustom and add-to-list) available?
> 
> Ah, sorry for the late response, I'm not on ruby-talk and it took me
> this long to find the thread on the web.  Please Cc: me in future
> discussion about this.

I see.

> Anyway, I'm not sure about the exact versions, but I known the mentioned
> functions have been around for a long time.  The customization things,
> for example were there already in XEmacs 19, which was 4+ years ago.  I
> think it's perfectly safe to apply the patch.

I found the announce of defcustom and defgroup in NEWS of Emacs
20.1, but couldn't about add-to-list.

| * Lisp Changes in Emacs 20.1
(snip)
| ** Emacs has a new facility to help users manage the many
| customization options.  To make a Lisp program work with this facility,
| you need to use the new macros defgroup and defcustom.

-- 
Nobu Nakada