True iff every byte in encoded is either an unreserved character
(passes through unchanged) or a well-formed %NN triplet. Stricter
than equalUnderHexCasePolicy — catches producers that use a
reserved-char allowlist (e.g., encodeURI) rather than the
unreserved-whitelist the #2620 rule requires.
True iff every byte in
encodedis either an unreserved character (passes through unchanged) or a well-formed%NNtriplet. Stricter thanequalUnderHexCasePolicy— catches producers that use a reserved-char allowlist (e.g.,encodeURI) rather than the unreserved-whitelist the #2620 rule requires.