new = [super copyWithZone:_zone];
- ASSIGNCOPY(new->endDate, self->endDate);
- ASSIGNCOPY(new->duration, self->duration);
- ASSIGNCOPY(new->transparency, self->transparency);
+ new->endDate = [self->endDate copyWithZone:_zone];
+ new->duration = [self->duration copyWithZone:_zone];
+ new->transparency = [self->transparency copyWithZone:_zone];
return new;
}