lf_printf (file, "\n(first %d)", rule->first);
lf_printf (file, "\n(last %d)", rule->last);
lf_printf (file, "\n(force_first %d)", rule->force_first);
lf_printf (file, "\n(force_last %d)", rule->force_last);
lf_printf (file, "\n(first %d)", rule->first);
lf_printf (file, "\n(last %d)", rule->last);
lf_printf (file, "\n(force_first %d)", rule->force_first);
lf_printf (file, "\n(force_last %d)", rule->force_last);