"type","value"
strict , "no"
digraph , "yes"
graph_id , "graph_40"
start_scope , "1"
node_id , "node_40"
start_attribute , "["
attribute_id , "color"
attribute_value , "red"
attribute_id , "fontcolor"
attribute_value , "green"
end_attribute , "]"
end_scope , "1"