History of deepen 2 changes

In src/cli/sync.rs, lines 730–752 on 091fef80755d422062f2abeaebd66da497997257dcd4c3955ca0cac9eba178be. 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.