History of hub 2 changes

In crates/hub/tests/proposals.rs, lines 38–53 on 2bae995eb2f1232ed907223a93764a260522ed72604fe56f46bc8199c4c8f330. 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 38,53:crates/hub/tests/proposals.rs.