History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 330–341 on 42ccf504aa505f7aa691f396b185182832ed303149d4a9cf5512bb20b089c7e6. 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 330,341:crates/oxy-server/src/lib.rs.