History of unit 1 change

In crates/backdrop/src/sky.rs, lines 158–160 on d3b048b27277329d343d78bf508f6ac4c04766e8ef9ae64c13cdce55571a0397. 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 158,160:crates/backdrop/src/sky.rs.