040000 tree ce3dc285f6e9c04446cfac727c21fcbe6f14edb4	check
040000 tree 9d228530040c71d7c89511079da20ef24797c608	examples
040000 tree 467e0f33236e16b25cfa368c009bd60934b2c6f5	fixedbugs
100644 blob 25e6f22f94b7336cd60ae59e226f047856476e01	manual.go2