History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 233–251 on 5c6e92fd8d71f940f4769a1bc71d9461eb4f7f3b3cf118374a62f3b53eab4d09. 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.