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Re: OPS5 in Common Lisp

We also have OPS5 running on KCL.  It is VPS2, an interpreter for OPS5,
copyrighted by C.Forgy in 1979, 1980, and 1981.  The sources came from
Edinburgh AIAI, where Jeff ported VPS2 onto Spice Lisp.  Just removing
the use of fexpr was enough to port it onto KCL.

-- Taiichi