History of deepen 2 changes

In src/cli/sync.rs, lines 730–752 on 76740263089c13ac125888c02bef400ac817c5f7e6290ef67ccc525ba0fa7964. 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 730,752:src/cli/sync.rs.