History of label 3 changes

In crates/oh/src/main.rs, lines 1169–1200 on e71583501b1d28e733327b161531c4e6899cdf30605e7dfa27dc6b32733b98ba. 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 1169,1200:crates/oh/src/main.rs.