7 ms·----by nikofeyn 6y ago----Jtsummers 6y agoThe date is below the title next to the author: February 5, 1985.nikofeyn 6y ago----dqv 6y agoI think the GP means contemporary as "at the time".pavlov 6y agoRight, I meant the memo was contemporary with the decision.dqv 6y agoIt looks like the fourth edition was released in February 1994. And the product release history's latest dates don't go later than 1994.