P_DEFAULT
#define for_all_defaults(sym, st) for_all_properties(sym, st, P_DEFAULT)
case P_DEFAULT:
menu_add_expr(P_DEFAULT, $2, $3);
menu_add_symbol(P_DEFAULT, $2, $3);
if (prop->type == P_DEFAULT) {
case P_DEFAULT:
case P_DEFAULT:
if (prop->type != P_DEFAULT || sym_is_choice(sym))
case P_DEFAULT: