* error message *)
exception Error of int * int * string
- (** lexer for concrete syntax patterns (notation level 1) *)
-val syntax_pattern_lexer: (string * string) Token.glexer
-
- (** lexer for ast patterns (notation level 2) *)
-val ast_pattern_lexer: (string * string) Token.glexer
+val notation_lexer: (string * string) Token.glexer