History of issue 4 changes

In crates/oh/src/main.rs, lines 1152–1259 on faf5246c900e9ff6804832bff4ab4fc8188bad6a7220901e6209658ac70261c8. 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 1152,1259:crates/oh/src/main.rs.