apl>" <------------------------- sam069.txt ----------------------------> apl>" <--- A one-element vector is permitted in place of a scalar ------> apl>(,1)/I3 1 2 3 apl>1/I3 1 2 3 apl>&/((,3)?5)EI5 " should always produce 1 1 apl>&/(3?5)EI5 " should always produce 1 1 apl>(,2) `O 2 3 5 7 5 7 2 3 apl>2 `O 2 3 5 7 5 7 2 3 apl>I,5 1 2 3 4 5 apl>I5 1 2 3 4 5 apl>&/(3?,5)EI5 " should always produce 1 1 apl>&/(3?5)EI5 " should always produce 1 1 apl>)off