if (!sym_is_choice(sym)) {
prop = sym_get_default_prop(sym);
if (prop) {
- sym->flags |= SYMBOL_WRITE;
newval.tri = EXPR_AND(expr_calc_value(prop->expr),
prop->visible.tri);
+ if (newval.tri != no)
+ sym->flags |= SYMBOL_WRITE;
}
if (sym->implied.tri != no) {
sym->flags |= SYMBOL_WRITE;