输出的xml中带有invalid character

[Google Code Exporter]

比如这个xml输出：
http://api.fanfou.com/users/show/%B2%BB%BF%BF%C6%D7.xml

会导致 xml 解析失败，提示错误原因为 invalid character

Original issue reported on code.google.com by [e-mail] on 13 Jun 2009 at 1:12