040000 tree 57248b9e4bf2af2cb8fcc03ecea9c8ddb0f15c9a	check
040000 tree b65306e883b29ce003423d2f36e4dcdd9e54606c	examples
040000 tree df2d8fb8c9fa563dab388eb4765cd9eb4869e7b6	fixedbugs
100644 blob efe13cf8bc56c170d2a232230521b79e995bdc1b	manual.go2