Cannot display Chinese characters

[Xiao-Yong Jin]

Hi, all,

Following is my test mail.  Does anybody know how to configure gnus to
properly display Chinese characters in this mail.

------ Test Mail Starts ------
X-From-Line: king  Fri Jul 15 15:51:28 2005
Received: from pop.gmail.com
        by localhost with POP3 (fetchmail-6.2.5)
        for king@localhost (single-drop); Fri, 15 Jul 2005 15:51:28 +0800 (CST)
X-Gmail-Received: 81cf87b299568390aa705bab0064ff5d942e0c02
Delivered-To: ACCOUNT@gmail.com
Received: by 10.54.44.19 with SMTP id r19cs20596wrr;
        Fri, 15 Jul 2005 00:36:35 -0700 (PDT)
Received: by 10.54.106.13 with SMTP id e13mr1032788wrc;
        Fri, 15 Jul 2005 00:36:35 -0700 (PDT)
Return-Path: <ACCOUNT@163.com>
Received: from 163.com ([220.181.13.31])
        by mx.gmail.com with SMTP id 38si2711610wrl.2005.07.15.00.36.32;
        Fri, 15 Jul 2005 00:36:35 -0700 (PDT)
Received-SPF: neutral (gmail.com: 220.181.13.31 is neither permitted nor denied 
by domain of ACCOUNT@163.com)
MIME-Version: 1.0
X-Gnus-Mail-Source: directory:/home/king/.Spool/
Message-ID: <42D76787.00000F.01113@m219.163.com>
Date: Fri, 15 Jul 2005 15:36:39 +0800 (CST)
From: "=?gb2312?B?VG9vdGlueQ==?=" <tootiny@163.com>
To: jinxiaoyong@gmail.com
Subject: =?gb2312?B?1tDOxLLiytQ=?=
X-Priority: 3
X-Originating-IP: [192.168.208.155]
X-Mailer: <!-- CoreMail Version 2.5 Copyright (c) 2002-2003 www.tebie.com --> 
163com
Content-Type: Multipart/Alternative; 
boundary="Boundary-=_tMptLJwQIKWmQcNjMhmCTJeyCPky"
Xref: tux.edennetwork cn.mail.163:1
Lines: 21


--Boundary-=_tMptLJwQIKWmQcNjMhmCTJeyCPky
Content-Type: text/plain; charset="gb2312"
Content-Transfer-Encoding: base64

ytTSu8/CMTYztcR3ZWK3orXE08q8/rXEZW5jb2Rpbmc=
--Boundary-=_tMptLJwQIKWmQcNjMhmCTJeyCPky
Content-Type: text/html; charset="gb2312"
Content-Transfer-Encoding: base64
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--Boundary-=_tMptLJwQIKWmQcNjMhmCTJeyCPky--
------ Test Mail Ends ------

My locale is
$ locale
LANG=en_US
LC_CTYPE=zh_CN.UTF-8
LC_NUMERIC="en_US"
LC_TIME="en_US"
LC_COLLATE="en_US"
LC_MONETARY="en_US"
LC_MESSAGES="en_US"
LC_PAPER="en_US"
LC_NAME="en_US"
LC_ADDRESS="en_US"
LC_TELEPHONE="en_US"
LC_MEASUREMENT="en_US"
LC_IDENTIFICATION="en_US"
LC_ALL=

My current ~/.gnus contains nothing related to charset or encoding
specifically.  If you want more information, please let me know.

Thank you.