Rule               27 syn/greg.h     typedef enum { Freed = -1, Unknown= 0, Rule, Variable, Name, Dot, Character, String, Class, Action, Predicate, Alternate, Sequence, PeekFor, PeekNot, Query, Star, Plus, Any } NodeType;
Rule               37 syn/greg.h     struct Rule	 { NODE_COMMON; char *name; Node *variables;  Node *expression;  int id;  int flags;	};