LexiconEngine.status ->
LexiconEngine.status * ast_statement localized_option
-(* this callback is called on every lexicon command *)
-val set_callback: (LexiconAst.command -> unit) -> unit
-
val parse_statement: Ulexing.lexbuf -> statement (** @raise End_of_file *)
val statement: statement Grammar.Entry.e
+(* this callback is called on every include command *)
+val set_callback: (string -> unit) -> unit