text.mod/graphviz.mod/graphviz/tests/graphs/nhg.gv

digraph automata_0 {
	size ="8.5, 11";
	node [shape = circle];
	0 [ style = filled, color=lightgrey ];
	2 [ shape = doublecircle ];
	0 -> 2 [ label = "a " ];
	0 -> 1 [ label = "other " ];
	1 -> 2 [ label = "a " ];
	1 -> 1 [ label = "other " ];
	2 -> 2 [ label = "a " ];
	2 -> 1 [ label = "other " ];
	"Machine: a" [ shape = plaintext ];
}