History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 233–251 on 941abdd6bb4c4c2de60cefa9d636544366d4333ea220564292247fa1575b39e8. 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 233,251:crates/hub/src/protocol.rs.