Bug 183217 suppress duplicates leaving whitespace
I am not certain this is a bug, but if I set suppress duplicates on all the columns, I still get whitespace for suppressed rows. 2.1.2 did not do this. This issue happens in the M6 build.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/cache/TableAreaLayout.java
int rowHeight = rowArea.getHeight( );
		HashSet dropCells = new HashSet();
		for(int i=0; i<columnNumber; i++)
		{
			CellArea lastCell = null;
			if(lastRow!=null)
			{
				lastCell = lastRow.getCell( start + i );
			}
			CellArea cell = row.getCell( start + i );
			if(cell!=null && (cell.getRowSpan( )>1 || cell.getRowSpan( )<0))
			{
				hasDropCell = true;
			}
			if(lastCell!=null &&(lastCell.getRowSpan( )>1 || lastCell.getRowSpan( )<0))
			{
				if(cell==null)
				{
					DummyCell dummyCell = null;
					if(lastCell instanceof DummyCell)
					{
						DummyCell refDummy = ((DummyCell)lastCell);
						dummyCell = new DummyCell(refDummy.getCell( ));
						if(lastCell.getRowSpan()>0)
						{
							dummyCell.setRowSpan( lastCell.getRowSpan( )-1 );
						}
						else
						{
							dummyCell.setRowSpan( lastCell.getRowSpan( ) );