History of DirBackend::open 2 changes

In crates/oxy-server/src/lib.rs, lines 313–322 on 975ed1d14fc735086ac47cf8bc4f180fea311225363557a4ce715af56080282e. 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 313,322:crates/oxy-server/src/lib.rs.