History of proposal 6 changes

In crates/oh/src/main.rs, lines 902–1039 on c2be148cfe83dd38228a64d398fdc765983d2ec64eb741aac1ec50e83297201a. 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 902,1039:crates/oh/src/main.rs.