_kdm_subject = f.optional_string_child ("KDMSubject").get_value_or (_("KDM delivery: $CPL_NAME"));
_kdm_from = f.string_child ("KDMFrom");
_kdm_cc = f.optional_string_child ("KDMCC").get_value_or ("");
_kdm_subject = f.optional_string_child ("KDMSubject").get_value_or (_("KDM delivery: $CPL_NAME"));
_kdm_from = f.string_child ("KDMFrom");
_kdm_cc = f.optional_string_child ("KDMCC").get_value_or ("");