History of get 1 change

In crates/backdrop/src/lib.rs, lines 170–172 on 55673c650986366ebafeaa96f1a2174ad5136b26a3870f2a82087aca35dc4077. 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.