1 digraph Redefine {

     2   mindist = 2.0

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

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

     5   1 -> 2 [label="annotation"]

     6   1 -> 2 [label="simpleType"]

     7   1 -> 2 [label="attributeGroup"]

     8   2 -> 2 [label="group"]

     9   2 -> 2 [label="complexType"]

    10   2 -> 2 [label="annotation"]

    11   2 -> 2 [label="simpleType"]

    12   2 -> 2 [label="attributeGroup"]

    13   1 [shape=doublecircle, style=filled, color=blue]

    14   2 [shape=doublecircle, style=filled, color=green]

    15 }