CELLSPACING controls the distance in pixels
between each cell in the table. The first table has a cellspacing of 15 pixels; the second table isn't using cellspacing.
Notice the difference here. The first table should be rendered with a wider gap between the cells.
| Navigator | Messenger | Collabra | 
| Composer | Calendar | Netcaster | 
This table contains no cellspacing.
| Navigator | Messenger | Collabra | 
| Composer | Calendar | Netcaster |