History of deepen 3 changes

In src/cli/sync.rs, lines 902–924 on 4b9d06778581f6d3350902c6840c37353035026d0f14e1c843385082b84830ff. 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 902,924:src/cli/sync.rs.