History of issue 3 changes

In crates/oh/src/main.rs, lines 628–728 on c987c86513df8e00d726ae32c83c2479e950290ab40e2228992888df7938d2fc. 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.