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Hi all,

I have an XML document like this:
<root>
<node>A</node>
<node>B</node>
<node>C</node>
</root>

it's very important validate the following xml doc:
<root> <root>
<node>A</node> <node>A</node>
<node>B</node> </root>
</root>

and don't validate a document like this:
<root>
<node>B</node>
<node>A</node>
</root>

I'd like to validate this document using XML Schema. Is it possible?
Thanks!!