Encoding function for Punycode portableunstablejon.kristensen@pontarius.org NEncodes a Unicode label to a Punycode-encoded ASCII string. The encoding does  not prepend the IDNA "xn--"$ prefix. The output is lower-cased.       punycode-0.0.1.0Data.Text.Punycodeencodebasetmintmaxskewdamp initial_bias initial_nisAsciiAlphaNumadapt toDigitValue