bundles/org.eclipse.ui.carbon/fragment.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.0"?>
<fragment>

   <extension
         point="org.eclipse.ui.startup">
      <startup
            class="org.eclipse.ui.internal.carbon.CarbonUIEnhancer">
      </startup>
   </extension>
   
</fragment>