040000 tree 25a7947393bfff5080924b78e39360aa02edbb8f	check
040000 tree eeecdff99b9d5b7bbbfa59aa57c15929b884bf6a	examples
040000 tree a3c70580f86c459661a507292d7d3e0f337c95cf	fixedbugs
100644 blob efe13cf8bc56c170d2a232230521b79e995bdc1b	manual.go2