IncrementalEngine.INSPECTIONtype item = production * intval compare_nonterminals : _ nonterminal -> _ nonterminal -> intval compare_productions : production -> production -> intval lhs : production -> xsymbolval rhs : production -> xsymbol listval nullable : _ nonterminal -> boolval first : _ nonterminal -> _ terminal -> boolval foreach_terminal : (xsymbol -> 'a -> 'a) -> 'a -> 'aval foreach_terminal_but_error : (xsymbol -> 'a -> 'a) -> 'a -> 'a