History of DirBackend::open 2 changes

In crates/oxy-server/src/lib.rs, lines 290–299 on eae5955688324d78eb8ad267b9a81cacecb39a502e2f808ab80cbd36a04341a5. 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 290,299:crates/oxy-server/src/lib.rs.