History of DirTree::encode 1 change

In crates/cylinder/src/lib.rs, lines 137–154 on 642da2636de23fd2aee00ace74e1ec4abace8241fb73d3f30519be0fdc1d4c8c. 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 137,154:crates/cylinder/src/lib.rs.