hello every body:

I have a xml,just like:

<?xml version="1.0" encoding="gb2312"?>
<root>
 	<a>abc </a>
	<b>ddd</b>
	<c>cccc</c>
</root>

and in the client,I use a xsl  and html to let users change the xml's
data.
and then I need submit to a jsp file.
but,when I saved, the xml  is lost something! It lost's  encoding
info....
just like this:

<?xml version="1.0"?>
<root>
 	<a>abc </a>
	<b>ddd</b>
	<c>cccc</c>
</root>
what should I do before I submit it? 
Can anybody tell me? thank u a lot!! 


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