History of deepen 2 changes

In src/cli/sync.rs, lines 684–706 on 5f661562b3a40a970261ee737f225c646ce7f918bdac7ad5d8b2ccde1bde8f53. 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.