include Plugin.Register(struct
  let name = "Test"
  let shortname = "test"
  let help = "test"
end)

  
let () = Plugin.is_invisible ()
let () = Plugin.set_negative_option_name "-test-no-a"
module A =
  False(
    struct
      let option_name = "-test-a"
      let help = "help !!"
    end)