emacs-unicode-2: Gnus can't decode message of content-type utf-7

[Zhang Wei]

I got the following error message while I try to read utf-7 encoded email.

Error during redisplay: (void-function utf-7-post-read-conversion)
mm-decode-body: Wrong type argument: wholenump, nil
------------------------------

And This is the original news:
-----------------------------
Path: news.cn99.com!news.yaako.com!not-for-mail
From: address@hidden (Denis H. G.)
Newsgroups: cn.fan,cn.comp.os.linux,cn.comp.os.freebsd,cn.bbs.comp.os.linux
Subject: =?gb2312?b?UmU6IM7KuPa52NPaZHZpMnBztcQ=?=
 =?gb2312?b?zsrM4g==?=
Date: 23 Oct 2005 20:28:34 +0800
Organization: Mika WorkStation CN
Lines: 4
Sender: address@hidden
Message-ID: <address@hidden>
References: <address@hidden>
NNTP-Posting-Host: 221.218.145.34
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-7
X-Trace: news.yaako.com 1130070538 15239 221.218.145.34 (23 Oct 2005
12:28:58 GMT)
X-Complaints-To: address@hidden
NNTP-Posting-Date: Sun, 23 Oct 2005 12:28:58 +0000 (UTC)
User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3
Xref: news.cn99.com cn.fan:246121 cn.comp.os.linux:14103 cn.comp.os.freebsd:728

+TuU- root +jqtO/WJniEw- texhash +ToZUFw-?

--
dhg