People tend not to remember the details of things they worked on decades ago, let alone have access to source code or contemporary documentation. Even Jordan Me

People tend not to remember the details of things they worked on decades ago, let alone have access to source code or contemporary documentation. Even Jordan Mechner - enough of a design-note-taker and packrat to produce detailed retellings of his development process many years later misplaced the original source to Karateka.