<?xml version="1.0" encoding="UTF-8"?>
<foo version="1.0">
    <color>white</color>
    <size>big</size>
    <ns1:bar xmlns:ns1="http://www.example.org/bar" version="1.0">
        <ns1:color>black</ns1:color>
        <ns1:category>drink</ns1:category>
    </ns1:bar>
</foo>