<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
    targetNamespace="http://www.iansgraham.com/schemas/ex" 
    xmlns="http://www.iansgraham.com/schemas/ex" 
>
<!-- this schema defined example2 in the target namespace,
     but defined aaa in no nameapce, because it uses the default
     elementFormDefault="unqualified" -->

<xs:element name="example2" type="myBlock" />
<xs:complexType name="myBlock" >
  <xs:sequence> 
     <xs:element name="aaa" type="xs:string" /> 
  </xs:sequence> 
</xs:complexType>

</xs:schema>
