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Posts in category 'History'

A look at the way the representation of numbers evolved in first few years of Lisp across different implementations (LISP I, LISP 1.5, Basic PDP-1 LISP, M-460 LISP, PDP-6 LISP, BBN LISP). Start with the worst number representation this side of church numerals, end with something surprisingly modern.

In which I go digging into source archives from 40-50 years ago, to figure out why we use XXX to mark dodgy code.