History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 409–420 on 9bd98cfb4f7e2fa3b50335027f9cc9db2ba1a0c243308b1c479dd617b19a2063. 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 409,420:crates/oxy-server/src/lib.rs.