Bug 315035 [Automation][Regression]Error happened while merge cells in grid when preview as pdf/ppt/ps
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/nLayout/area/impl/TableLayout.java
AbstractArea area = (AbstractArea) iter.next( );
				int spacing = cell.getContentWidth( )
						- getAllocatedWidth( area );
				if ( spacing > 0 )
				{
					if ( isRightAligned )
					{
						area.setAllocatedX( spacing + cell.getOffsetX( ) );
					}
					else if ( IStyle.CENTER_VALUE.equals( align ) )
					{
						area.setAllocatedX( spacing / 2 + cell.getOffsetX( ) );
					}
				}
			}
		}
	}
	public void reset( TableArea table )
	{
		Iterator iter = rows.iterator( );
		while ( iter.hasNext( ) )
		{
			RowArea row = (RowArea) iter.next( );
			if ( table.contains( row ) )
			{
				iter.remove( );
			}
		}
		rows.resetCursor( );
	}