History of proposal 5 changes

In crates/oh/src/main.rs, lines 602–720 on 4da8b828a822b183cb76ba74689bd0173c244e19385d8c51ddb65facf7141cb2. 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 602,720:crates/oh/src/main.rs.