History of issue 3 changes

In crates/oh/src/main.rs, lines 628–728 on 1f78655a04662dea5b241598ec5ef9e1dd480a25c7fe90168712471ef3ed7bb7. 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 628,728:crates/oh/src/main.rs.