History of walk 1 change

In crates/cylinder/src/lib.rs, lines 363–390 on 91334b7fa5748e15146a231bb0caf79c2016d1306d7a015a93c7b355fdcec845. 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 363,390:crates/cylinder/src/lib.rs.