History of issue 3 changes

In crates/oh/src/main.rs, lines 577–677 on a0dd06b0094eb52d4347f6bde0572de667a0d2cbac5878d9e6928ec3bba09947. 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.