History of deepen 2 changes

In src/cli/sync.rs, lines 684–706 on e15dc29f109b4680aaef4b59f452e3375d084199c1bbe9ad8de6fff5e0baaaa8. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 684,706:src/cli/sync.rs.