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From: srinivas@ncst.ernet.in (Srinivas Palthepu)
Newsgroups: comp.lang.lisp
Subject: Problem with KCL..
Message-ID: <1377@shakti.ncst.ernet.in>
Date: 25 Apr 91 07:00:47 GMT
Organization: National Centre for Software Technology, Bombay, INDIA
Lines: 22


I had a strange problem ith KCL. The STEPper in the KCL assumes always
the top-level environment irrespective of whether you call it from
top-level prompt or within a function. For example, the follwoing
expression at lip prompt gave me an error.

>(let ((a-number 10))
      (step (+ a-number 10)))

Error: The variable A-NUMBER is unbound.
Error singalled by SYSTEM::STEPPER.
..
..
>

This means I can not call stepper other than from top-level.
For example If I want to selectively stepp only particualr code
and execute rest of the program normally, I can not do in KCL.

Is it a bugg in KCL?

-srini (srinivas@ncst.ernet.in)