History of serve 4 changes

In src/cli/sync.rs, lines 724–752 on 34c777f8893a62a417cf5e9b2438e8309452d6a8abce5f79b8af94654d6892e6. 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 724,752:src/cli/sync.rs.