History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 230–248 on 9991530b4beee381b95233964971965ad66ac833968f4c8f1fdbf4f1c2fb1713. 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.