<!– C.4 Schema Component Constraints: no-xmlns –> <schema xmlns=“www.w3.org/2001/XMLSchema” targetNamespace=“foo” xmlns:foo=“foo”>
<element name="foo"> <complexType> <attribute name="xmlns" type="string" /> </complexType> </element>
</schema>
<!– C.4 Schema Component Constraints: no-xmlns –> <schema xmlns=“www.w3.org/2001/XMLSchema” targetNamespace=“foo” xmlns:foo=“foo”>
<element name="foo"> <complexType> <attribute name="xmlns" type="string" /> </complexType> </element>
</schema>