1*e1fe3e4aSElliott Hughesfeature test { 2*e1fe3e4aSElliott Hughes sub a by NULL; 3*e1fe3e4aSElliott Hughes} test; 4*e1fe3e4aSElliott Hughes 5*e1fe3e4aSElliott Hughesfeature test { 6*e1fe3e4aSElliott Hughes sub [a b c] by NULL; 7*e1fe3e4aSElliott Hughes} test; 8