History of label 3 changes

In crates/oh/src/main.rs, lines 1213–1244 on e8fa53694f686d9df2fe4805e81ceec44b0b5c90b56ac9a9be16f3ce8fec14ee. 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 1213,1244:crates/oh/src/main.rs.