History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 290–301 on 6e6668830bafa7ed6d030c2e81ff1f59af13acd8bba0c23548e5082ea32d50d3. 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 290,301:crates/oxy-server/src/lib.rs.