History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 330–341 on 98a1620a3840a7dc026e58ba7014a13ce09a7b370b85845b00d72f5f369ebef0. 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.