<configure 
    xmlns="http://namespaces.zope.org/zope"    
    xmlns:browser="http://namespaces.zope.org/browser"> 

  <browser:page 
    for=".interfaces.IGreetable" 
    name="greet" 
    class=".greeting.Greeting" 
    permission="zope.Public" 
    />

</configure>
