History of serve 3 changes

In src/cli/sync.rs, lines 296–324 on be0161a88dd7dd5ff64acbf3866e312a3713c64122e79d33bc9bcfea4358f57a. 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 296,324:src/cli/sync.rs.