History of DirBackend::open 2 changes

In crates/oxy-server/src/lib.rs, lines 289–298 on d82e4409732354d11b91b19428c889fb93f0cfbc234eb0650da490aace6d2c2e. 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 289,298:crates/oxy-server/src/lib.rs.