Listing 3: Object.xml — The information model for the Object class

<?xml version="1.0" ?>

<!DOCTYPE class SYSTEM "Model.dtd">

<class name="Object">
  <info>The root of the class hierarchy.</info>
  <methods>
    <method name="Load" type="void" modifier="virtual">
    </method>
    <method name="Save" type="void" modifier="virtual" const="true">
    </method>
  </methods>
</class>
— End of Listing —