History of serve 3 changes

In src/cli/sync.rs, lines 689–717 on 79b5a90ffd432e0b213376f08421dd02b1ab8855816d41c6e84d96c9085f851a. 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 689,717:src/cli/sync.rs.