History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 238–256 on c96b32865000b248ff1a38c6fd459d2f7e2bf4171f29e0e2cb3a9b988f0abbc1. 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 238,256:crates/hub/src/protocol.rs.