[Bug-apl] Quad-IO localization problem

[Blake McBride]

      )CLEAR

CLEAR WS

      ⎕IO

1

      'abc'⍳'a'

1

      ∇test;⎕IO

[1] ⎕IO←0

[2] ∇

      test

      ⎕IO

1

      'abc'⍳'a'

0

Although ⎕IO seems to be correct, the iota lookup shows that the wrong ⎕IO value is being used.

Blake