====== PlayGround ======

<ditaa round noedgesep left>
    +--------+   +-------+    +-------+
    |        | --+ ditaa +--> |       |
    |  Text  |   +-------+    |diagram|
    |Document|   |!magic!|    |       |
    |     {d}|   |  c978 |    |       |
    +--------+   +-------+    +-------+
        |                         ^
        |       Lots of work      |
        +------------+------------+
                    
</ditaa>