import java.io.*;
A =			"a" <b1> B <c1> C [ <d> D] "enda".

B :			E
			| F			.

C =			.

D =			"d".

E =			"e" extends B.

F =			<g1> G <h1> H <a1> A extends B.

G =			.

H =			"h".

Main =			.

PrintingVisitor2 =			.

notparsed visitor PrintVisitor =			<indent> int <needSpace> boolean extends UniversalVisitor.

notparsed visitor CopyVisitor =			<copy> derived Object extends UniversalVisitor.

notparsed visitor SubgraphVisitor =			<is_equal> boolean init {{ true }} extends UniversalVisitor.

notparsed visitor EqualVisitor =			<is_equal> boolean init {{ true }} extends UniversalVisitor.

notparsed visitor DisplayVisitor =			<indent> int extends UniversalVisitor.

notparsed visitor TraceVisitor =			<indent> int extends UniversalVisitor.

notparsed visitor UniversalVisitor :						.