History of Engine::now 1 change

In crates/backdrop/src/lib.rs, lines 60–62 on 2c47eecfeab69e364c03b79523eaeb3e72145307b46e8b0b36feaf30ae2713d5. 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 60,62:crates/backdrop/src/lib.rs.