History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 199–217 on 76f262e1a6663e5a3e9f10e04826b7dca067762ff045ce96948162b228a2c4f1. 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.