The report is dated september 1981; the link points to the revised 1982 version; the author is Ric Holt (https://en.wikipedia.org/wiki/Ric_Holt https://en.wikip

The report is dated september 1981; the link points to the revised 1982 version; the author is Ric Holt (https://en.wikipedia.org/wiki/Ric_Holt https://en.wikipedia.org/wiki/Ric_Holt). He was also involved in the implementation of the Euclid programming language used for Tunis. It's remarkable that Euclid was originally designed by Butler Lampson at Xerox PARC, where also Smalltalk, Mesa and Cedar were invented.