In mid 80's I worked at Microrim for a short time. There was an effort to
port R:Base (in Fortran) to Unix (especially Xenix). There was a Fortune
Systems 32:16 machine running For:Pro (v7). It had EFL. I vaguely recall a
discussion about going the Fortran->EFL->(might be easier to port to)->C
route. I was there to help, but was a greenhorn and way in over my head.

On Wed, Jul 6, 2022, 11:17 AM <arnold@skeeve.com> wrote:

> Hi.
>
> EFL was definitely a part of BSD Unix.  But I don't see it in the V7
> stuff in the TUHS archives.  When did it first appear?  Was it part
> of 32V and I should look there?
>
> It is definitely in the V8 and V10 stuff.
>
> Did anyone actually use it?  I have the feeling that ratfor had already
> caught on and spread far, and that it met people's needs, and so
> EFL didn't really catch on that much, even though it provided more
> features on top of Fortran.
>
> Thanks,
>
> Arnold
>