History of DirBackend::open 2 changes

In crates/oxy-server/src/lib.rs, lines 319–328 on 6a9414d6a966abc9f944842291a46e5403947fe3f09c6aa19ae75f91778460aa. 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 319,328:crates/oxy-server/src/lib.rs.