1 digraph Annotation {

     2   mindist = 2.0

     3   1 -> 2 [label="appinfo"]

     4   1 -> 2 [label="documentation"]

     5   2 -> 2 [label="appinfo"]

     6   2 -> 2 [label="documentation"]

     7   1 [shape=doublecircle, style=filled, color=blue]

     8   2 [shape=doublecircle, style=filled, color=green]

     9 }