History of DirBackend::open 2 changes

In crates/oxy-server/src/lib.rs, lines 394–403 on 7bd805ffb418c08c7e31385c5823b239cf46df3191bf326652ae31fa403cff77. 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 394,403:crates/oxy-server/src/lib.rs.