<?xml version="1.0"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:t="test" targetNamespace="test">

  <complexType name="base">
    <sequence>
      <element name="e" type="string"/>
    </sequence>
  </complexType>

  <complexType name="derived">
    <complexContent>
      <extension base="t:base">
        <sequence>
          <element name="e" type="string"/>
        </sequence>
      </extension>
    </complexContent>
  </complexType>

  <element name="root" type="t:derived"/>

</schema>
