History of mix 1 change

In crates/backdrop/src/sky.rs, lines 557–560 on 05f1a85a284253adc4e796dba60b0a0556198b5e2be230687802a9a5ee3af821. 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 557,560:crates/backdrop/src/sky.rs.