History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 199–217 on 1ac84c62ba5339fce067c2888f3112f749b2f357ec6f3dd32567a970e2fbeee7. 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 199,217:crates/hub/src/protocol.rs.