<element name=“addressBook” ns=“www.example.com”
xmlns="http://relaxng.org/ns/structure/1.0"> <zeroOrMore> <element name="card"> <attribute name="name"/> <attribute name="email"/> </element> </zeroOrMore>
</element>
<element name=“addressBook” ns=“www.example.com”
xmlns="http://relaxng.org/ns/structure/1.0"> <zeroOrMore> <element name="card"> <attribute name="name"/> <attribute name="email"/> </element> </zeroOrMore>
</element>