History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 233–251 on a0d4bbfbedd151cb19737a2893e56a5b8b1b19b286c3da4f59cc16b1bc7c9cb7. 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.