[Bug-apl] ⎕ES wrong message

[Blake McBride]

      )CLEAR

CLEAR WS

      ∇test x

[1] x←'xx'

[2] ⎕ES 'SOME ERROR'

[3] ∇

      test '55'

SOME ERROR

      test 'xx'

      ^       ^

⎕ES is showing the modified and not the original argument passed to the function.  IBM APL 2 displays the original argument passed.

Thanks.

Blake