History of act 1 change

In crates/hub/tests/proposals.rs, lines 97–106 on 4a4400c5812d3e9fccd65dadec5258ab21a8d8fadacf9c848515360435981738. 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 97,106:crates/hub/tests/proposals.rs.