iunreserved :: Char -> Bool
iunreserved c = isAlphaNum c || elem c "-._~" || ord c >= 160 && ord c <= 55295
iunreserved :: Char -> Bool
iunreserved c = isAlphaNum c || elem c "-._~" || ord c >= 160 && ord c <= 55295
iunreserved c = isAlphaNum c || elem c "-._~" || ord c >= 160 && ord c <= 55295