"Barney Toma" <access1.net at tomab> writes:
> 
> Dear Sir,
> I am looking to use the :backtrace feature.
> I have no trouble in forward tracing using (trace fn).
> Is there a backtrace feature available is Franz lisp.

It's invoked with the :zoom top-level command.  See the debugger
documentation.

-- 
Samir Barjoud
<mindspring.com at samir>