040000 tree abd17b36ef213b524c84b168d00870c685135b72	check
040000 tree 6ff3fbbea146c683ff38af209d59ca30a2c9fff9	examples
040000 tree a579c02c21ff0bad53685946699de4c536fd73c6	fixedbugs
100644 blob 25e6f22f94b7336cd60ae59e226f047856476e01	manual.go2