History of main 1 change

In crates/oh/build.rs, lines 4–20 on 86a69b53aff0822640ce95374a134160b64e658d28a5df68c64f11155d3325f9. 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.