Bug 129144 Support suppressDuplicates property on table row in report engine
See 129143 for detail. This only needs to be supported for data item in a detail row of a table.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
}
	/**
	 * create a list band using the items in slot.
	 * 
	 * @param elements
	 *            items in DE's IR
	 * @return ListBand.
	 */
	private ListBandDesign createListBand( SlotHandle elements )
	{
		ListBandDesign band = new ListBandDesign( );
		for ( int i = 0; i < elements.getCount( ); i++ )
		{
			apply( elements.get( i ) );
			if ( currentElement != null )
			{
				band.addContent( (ReportItemDesign) currentElement );
			}
		}
		return band;
	}
	/**
	 * create a list group using the DE's ListGroup.
	 * 
	 * @param handle
	 *            De's list group
	 * @return engine's list group
	 */
	public void visitListGroup( ListGroupHandle handle )
	{