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
}
		}
		SlotHandle footerSlot = handle.getPageFooter( );
		for ( int i = 0; i < footerSlot.getCount( ); i++ )
		{
			apply( footerSlot.get( i ) );
			if ( currentElement != null )
			{
				page.addFooter( (ReportItemDesign) currentElement );
			}
		}
		currentElement = page;
	}
	public void visitList( ListHandle handle )
	{
		
		ListItemDesign listItem = new ListItemDesign( );
		setupListingItem( listItem, handle );
		
		SlotHandle headerSlot = handle.getHeader( );
		listItem.setHeader( createListBand( headerSlot ) );
		
		SlotHandle groupsSlot = handle.getGroups( );
		for ( int i = 0; i < groupsSlot.getCount( ); i++ )
		{
			apply( groupsSlot.get( i ) );
			if ( currentElement != null )
			{
				listItem.addGroup( (ListGroupDesign) currentElement );
			}