History of label 3 changes

In crates/oh/src/main.rs, lines 1197–1228 on 0e04dfc20211a964fc6d4a9f87831c208d704ebfbf2cc1b7097f2c87651ebcd9. 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 1197,1228:crates/oh/src/main.rs.