Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/ReferenceableElement.java
* element.
	 * 
	 * @param ev
	 *            the event to send
	 * @param module
	 *            the root node of the design tree.
	 */
	public void broadcast( NotificationEvent ev, Module module )
	{
		super.broadcast( ev, module );
		adjustDeliveryPath( ev );
		broadcastToClients( ev, module );
	}
	/**
	 * Sets the path type for the notification event.
	 * 
	 * @param ev
	 *            the notification event
	 */
	protected void adjustDeliveryPath( NotificationEvent ev )
	{
		ev.setDeliveryPath( NotificationEvent.ELEMENT_CLIENT );
	}
	/**
	 * Broadcasts the event to clients.
	 * 
	 * @param ev
	 *            the event to broadcast
	 * @param module
	 *            the module