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
cell.setParent( this );
							addChildByColumnId( cell );
						}
						else
						{
							cell = cells[i].cloneArea( );
							cell.setHeight( 0 );
							cell.setRowSpan( rowSpan );
							cell.setParent( this );
							addChildByColumnId( cell );
						}
					}
					i = i + cells[i].getColSpan( ) - 1;
				}
			}
		}
	}
	protected SplitResult _split( int height, boolean force )
			throws BirtException
	{
		RowArea result = null;
		for ( int i = 0; i < cells.length; i++ )
		{
			if ( cells[i] != null )
			{
				SplitResult splitCell = cells[i].split( height, force );
				CellArea cell = (CellArea) splitCell.getResult( );
				if ( cell != null )
				{
					if ( result == null )