History of label 3 changes

In crates/oh/src/main.rs, lines 1545–1576 on b349e15a3eab6ff9436d9e4d39833a98fe7d3217bf79a7b77b72a3dad658d6fe. 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 1545,1576:crates/oh/src/main.rs.