Bug 315181 [Automation][Regression]Grid border was messed in PDF
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/nLayout/area/impl/RowArea.java
for ( int i = 0; i < cells.length; i++ )
			{
				if ( cells[i] instanceof DummyCell )
				{
					int oh = ( (DummyCell) cells[i] ).getCell( ).getHeight( );
					int ch = ( (DummyCell) cells[i] ).getDelta( );
					int rowSpan = ( (DummyCell) cells[i] ).getRowSpan( );
					if ( ch >= oh )
					{
						CellArea cell = cells[i].cloneArea( );
						cell.setHeight( 0 );
						cell.setRowSpan( rowSpan );
						cell.setParent( this );
						cell.isDummy = true;
						addChildByColumnId( cell );
					}
					else
					{
						
						SplitResult splitCell = cells[i].split( height, force );
						CellArea cell = (CellArea) splitCell.getResult( );
						if ( cell != null )
						{
							CellArea oc = ( (DummyCell) cells[i] ).getCell( );
							ArrayList temp = cell.children;
							cell.children = oc.children;
							oc.children = temp;
							oc.updateChildrenPosition( );
							cell.updateChildrenPosition( );
							cell.setRowSpan( rowSpan );