History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 233–251 on 25091e5c3bba728b43c3f8214df1b0d811896789b7acbf5ca9c271a8347837d8. 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.