signature HM_Cline = sig type t = { no_basis2002 : bool, mosmldir : string option, core : HM_Core_Cline.t } val option_descriptions : t HM_Core_Cline.cline_result GetOpt.opt_descr list val fupd_core : (HM_Core_Cline.t -> HM_Core_Cline.t) -> (t -> t) val default_options : t end