History of deepen 2 changes

In src/cli/sync.rs, lines 810–832 on 98a1620a3840a7dc026e58ba7014a13ce09a7b370b85845b00d72f5f369ebef0. 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 810,832:src/cli/sync.rs.