History of DirBackend::open 2 changes

In crates/oxy-server/src/lib.rs, lines 313–322 on 5f661562b3a40a970261ee737f225c646ce7f918bdac7ad5d8b2ccde1bde8f53. 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.