It was intended to be a stop-gap, to be discarded when
the ICL was
replaced with PR1ME. However the PR1ME was benchmarked with Fortran 66.
When Pr1me Fortran 77 was delivered its performance was "pants" so the
"stop gap" ICL compiler was ported to PR1ME...
Wish we could find that Prime compiler. I think there were one or
two others, as well.
De