History of proposal 5 changes

In crates/oh/src/main.rs, lines 893–1011 on 4fa0da126b702d23f945ff2890a0944d8750e155c557b5cca3ebfeedeef908b7. 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 893,1011:crates/oh/src/main.rs.