History of run 8 changes

In crates/oh/src/main.rs, lines 679–768 on 858eca0d03c490d07d01bfa9748d5cc5742c749d31ecbbf882ece33f2ae0fcc5. 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 679,768:crates/oh/src/main.rs.