History of label 3 changes

In crates/oh/src/main.rs, lines 1238–1269 on 119fd17d213f23e85f97bae161e490a8bcd9ed22b75c1374c58063a24fa6f670. 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 1238,1269:crates/oh/src/main.rs.