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From: Juliusz Chroboczek <jec@dcs.ed.ac.uk>
Subject: MDL and Plasma
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Date: Tue, 7 May 1996 20:55:01 GMT
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  Hello,

  Slightly off subject for this group, but I think that the people who
might know the answer are here.

  What were (or are?) the programming languages MDL and Plasma?

  As I understand it, both were MIT languages in the '70s; MDL was a
direct competitor to MacLisp and ZetaLisp, while Plasma, although
based on very different ideas, was an inspiration for Scheme.

  Thank you for your help,

                                        Juliusz Chroboczek
