History of issue 3 changes

In crates/oh/src/main.rs, lines 577–677 on 8933faff204360bab79c77fe01773fae1c7121c4b7dd71c54e4ba0effd8a8e97. 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.