(undo-tree-save-format-version . 1)
"8b4daa428ce223363464eb02efcf79c37b593eb3"
[nil nil nil nil (25167 33362 333459 57000) 0 nil]
([nil current ((1 . 3107) (t . 0)) nil (25167 33362 333454 228000) 0 nil])
nil