Bug 148525 Display text is not found from library resource file
Steps to reproduce: 1.New a library, add a resource file "a.properties" 2.Add a label with text"abc", add a localization "k1=actuate" 3.New a report, extend the label 4.Preview the report Expected result: Report shows "actuate" in preview Actual result: Report shows "actuate" in layout, but "abc" in preview
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/DesignElementHandle.java
*            the listener to de-register
	 */
	public void removeListener( Listener obj )
	{
		getElement( ).removeListener( obj );
	}
	/**
	 * Returns an iterator over the elements that derive from this one.
	 * 
	 * @return an iterator over the elements that derive from this one. Each
	 *         item returned by the iterator's <code>getNext( )</code> method
	 *         is of type {@link DesignElementHandle}.
	 */
	public Iterator derivedIterator( )
	{
		return new DerivedElementIterator( module, this );
	}
	/**
	 * Returns an iterator over the clients of this element. Useful only for
	 * styles. Returns a list of all the elements that use this style.
	 * 
	 * @return an iterator over the clients of this element. Each item returned
	 *         by the iterator's <code>getNext( )</code> method is of type
	 *         {@link DesignElementHandle}. Nothing will be iterated over an
	 *         element that is not <code>ReferenceableElement</code>.
	 */
	public Iterator clientsIterator( )
	{
		return new ClientIterator( this );
	}