History of issue 3 changes

In crates/oh/src/main.rs, lines 628–728 on 7b26e6118bc0aa60ea3f2495fd7cf09f50f30da63472a67db06990408098b2d9. 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.