History of issue 3 changes

In crates/oh/src/main.rs, lines 577–677 on 076c7a7c86b1e375dc69e47fa0760ad10ddbb92a3fac329be83f44ff84eeb556. 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 577,677:crates/oh/src/main.rs.