Interesting you should mention that, as today I just watched Gerald Jay Sussman's NYCLisp talk, in which he discusses it starting at 29:00. https://vimeo.com/1

Interesting you should mention that, as today I just watched Gerald Jay Sussman's NYCLisp talk, in which he discusses it starting at 29:00. https://vimeo.com/151465912 https://vimeo.com/151465912