History of main 1 change

In crates/oh/build.rs, lines 4–20 on 19355e2283aba765a8a52394216f332db76663c2c0f5c31719803c2a72ad2b55. 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 4,20:crates/oh/build.rs.