Autofonce_m4.M4Lexer
val init : ?loc:M4Types.location -> Stdlib.Lexing.lexbuf -> unit
val unescape : ?last:bool -> Stdlib.Lexing.lexbuf -> string
val token : Stdlib.Lexing.lexbuf -> M4Types.location * M4Types.token
val location : Stdlib.Lexing.lexbuf -> M4Types.location