040000 tree d10e297bbb2645406be647f245edaf1ef32abc8b	check
040000 tree 042b81fb3399fde6da5b150efdfca8d7167db4fd	examples
040000 tree f710bc1d319c19e9c01ea193621ce2247fd5dfb2	fixedbugs
100644 blob efe13cf8bc56c170d2a232230521b79e995bdc1b	manual.go2