History of Engine::now 1 change

In crates/backdrop/src/lib.rs, lines 48–50 on 1e8a6e8bb91b2505c412628644d3f0ed64538798f61cc9852987c92c71c641bb. 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 48,50:crates/backdrop/src/lib.rs.