1 val parse_cmdline : unit -> unit
2 val index_empty_texts : bool ref
3 val sample_factor : int ref
4 val disable_text_collection : bool ref
5 val count_only : bool ref
7 val input_file : string ref
8 val output_file : string option ref
9 val save_file : string ref
11 val tc_threshold : int ref
12 val backward : bool ref