History of Chunk::hash 1 change

In crates/jet/src/images.rs, lines 39–41 on v0.5.1. 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 39,41:crates/jet/src/images.rs.