History of get 1 change

In crates/backdrop/src/lib.rs, lines 170–172 on 5714347a62336e67d4918ac400276b2972ac95c172f4e0bd9bf54c93b978c728. 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 170,172:crates/backdrop/src/lib.rs.