History of Sky::reach 2 changes

In crates/backdrop/src/sky.rs, lines 537–539 on b9eb70fb95093d2f5542ebc2c94a199d4d7b1c7e1423f1821e20fef9021bd661. 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 537,539:crates/backdrop/src/sky.rs.