History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 230–248 on 380996db84e5398ec51f22c3c34ff9942f1ec928d59469ec5d048f09d1a7db93. 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 230,248:crates/hub/src/protocol.rs.