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Subject: Re: Symbolic: code example

Author: Tord Romstad

Date: 14:02:49 01/24/04

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On January 24, 2004 at 12:46:38, Keith Evans wrote:

>Thanks for all of the information. I remember that a long time ago (maybe I was
>still an undergrad) I purchased Pearl Lisp from Coral, and after Apple acquired
>them they discontinued that product (only supported Allegro Common Lisp.) And
>that's when I gave up on Lisp due to the high price of the alternatives on the
>Mac.

Actually, history didn't end when Apple discontinues Pearl Lisp.  An independent
company
named Digitool continued the development, now under the name "Macintosh Common
Lisp".
It is still alive today, and is (as mentioned in my previous post) my favorite
Lisp implementation.
Even today, the MCL logo is an image of a coral.

Unfortunately, MCL is still rather pricey (unless you can buy an academic or
student license).
There is a free demo version, but it exits after 15 minutes, which is of course
extremely
annyoing.  There is also a completely free (GPL) product named OpenMCL, which is
based
on MCL.  This is an excellent product, but unfortunately it doesn't include the
development
environment which is one of the main attractions of the commercial MCL.

For the Mac, the free options are OpenMCL, Steel Bank Common Lisp and CLISP.
These
implementations all have their strengths and weaknesses, but for most purposes
the first
two are probably preferable.  The commercial options are MCL, Xanalys LispWorks
and
Allegro Common Lisp.

Tord




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