<element name=“card” ns=“www.example.com

       xmlns="http://relaxng.org/ns/structure/1.0">
<zeroOrMore>
  <attribute>
    <anyName>
      <except>
        <nsName/>
        <nsName ns=""/>
      </except>
    </anyName>
  </attribute>
</zeroOrMore>
<text/>

</element>