4 ms·Is this new edition? What have been changed?by 0xFFC 9y agoIs this new edition? What have been changed?jonsen 9y agoI think the preface tells.tjr 9y agoNew in 2015. See also: https://news.ycombinator.com/item?id=10694538 https://news.ycombinator.com/item?id=10694538