[Bug-apl] Rank error

[Blake McBride]

      )CLEAR
CLEAR WS
      1 2 3[2]
RANK ERROR
      1 2 3[2]
          ^^
      1 2 3[2 2]
RANK ERROR
      1 2 3[2 2]
          ^^
      x←1 2 3
      x[2 2]
2 2


Of course, they should all work as if they were assigned to a variable
first.

Blake