Two implementations of Common Lisp are available on Athena: Lucid Common
Lisp and Kyoto Common Lisp.  The first, Lucid, is the preferred version.
Lucid is a complete implementation of the Common Lisp language and
includes all functions, constants, variables, macros, and special forms.
It also provides enhancements and extensions to the user environment.
Lucid is available on the DECstation and IBM Risc/6000 platforms.

Where to find documentation on Lucid:

TAs and faculty members should contact the Faculty Liaison Office,
E40-357, x3-0115, f_l@mit.edu.


KCL is also a full implementation of Common Lisp but is a much older
version than Lucid.  Because KCL is written in both C and Lisp, it is
highly portable.  It is supported on Athena's VAX and Dec Workstations.
KCL features several useful debugging tools and a compiler which produces
run-time efficient code.

Where to find documentation on KCL:
 
Documentation of KCL is available on-line in the 'kcl' filesystem:
 
	attach kcl
	ls /mit/kcl/doc
 
Files in the system include:
 
        kcl-report.txt  A copy of the KCL manual that you can view on the
                        screen with the 'more' command.
 
        kcl-report.PS   A printable version of the complete KCL manual.
                        It's BIG, so only print it during off-peak hours.
 
        kclunix         Describes some quirks of KCL that are specific to
                        the Unix environment.
 
        clx.doc         CLX is the Common Lisp interface to X.
 
You can also check out hardcopy versions of these documents from the
Athena Consultant's Office (1st floor N42) with a student I.D.  To
find out how to get KCL documentation from within KCL, see the stock
answer "How to Use KCL on Athena."
 
Where to find documentation on Lisp:
 
Three useful Lisp reference manuals can be found in the Athena
Consultant's Office (1st floor N42).  Guy Steele's "Common Lisp: The
Language" is considered to be the definitive reference on Common Lisp
and related dialects (KCL's implementation is based on this book).
Two other books, Robert Wilensky's LISPCraft and CommonLISPcraft, are
also useful references.  CommonLISPcraft contains a tutorial
introduction to Franz Lisp.