I found Ken Forbus' statement that he finds himself more productive in most
respects with ACLPC than he was with a Symbolics machine astonishing.  Now
Roy Turner has made a similar assertion concerning ACL 4.3.  I used ACL on a
Unix platform for a few years (a few years ago) and found it usable but
far from a LISPM in capability.  Perhaps I need an update.  Does ACL now allow
incremental compilation?  What about its debugging facilities?  Have these
improved dramatically?

Allan Dobbins

-- 

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