PlayGround

<ditaa round noedgesep left>

  +--------+   +-------+    +-------+
  |        | --+ ditaa +--> |       |
  |  Text  |   +-------+    |diagram|
  |Document|   |!magic!|    |       |
  |     {d}|   |  c978 |    |       |
  +--------+   +-------+    +-------+
      |                         ^
      |       Lots of work      |
      +------------+------------+
                  

</ditaa>