History of proposal 5 changes

In crates/oh/src/main.rs, lines 602–720 on 348f8c4baccfc67050ed97ac93d9506d965e97e6e8b85543365ea1a4793848a7. 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.