focus ==0.* || >1 && <1.0.1 || >1.0.1 && <1.0.1.1 || >1.0.1.1 && <1.0.1.2 || >1.0.1.2 && <1.0.1.3 || >1.0.1.3 && <1.0.1.4 || >1.0.1.4