examples/workspace/org.eclipse.egf.example.task.ant/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.2"?>
<plugin>
   <extension
         point="org.eclipse.egf.core.fcore">
      <fcore
            id="egf/ant_task.fcore">
      </fcore>
   </extension>


</plugin>