[Bug-apl] Workspace Migration Error

[Mike Duvos]

[IBM APL2]

       )CLEAR
CLEAR WS
      ⎕IO←0
      M←¯12+⍳25
      )OUT OUT

[GNU APL]

      )IN OUT
ERROR: inverse 2 ⎕TF failed for 'M←¯12-⎕IO-⍳25

I'm assuming the error here is on the GNU APL side of the transaction, as
APL2 has been around for a while, and people would have complained.

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