<ditaa>

  +--------+   +-------+    +-------+
  |        | --+ dw1aa +--> |       |
  |  Text  |   +-------+    |diagram|
  |Document|   |!magic!|    |       |
  |     {d}|   |  c478 |    |       |
  +---+----+   +-------+    +-------+
      :                         ^
      |       Lots of work      :
      +-------------------------+

</ditaa>