History of issue 3 changes

In crates/oh/src/main.rs, lines 628–728 on 7edaff01d506aa28be6cf21f559e333e3281d48ef0d97b71774ae834184189d8. 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.