| host_normalise | Normalize hosts to canonical comparison form |
| host_normalize | Normalize hosts to canonical comparison form |
| is_idn | Test if domain contains internationalized characters |
| is_punycode | Test if string is punycode encoded |
| normalisation_profile_info | Canonical-host normalization profile identity |
| normalization_profile_info | Canonical-host normalization profile identity |
| print.punycoder_validation | Print method for punycoder validation results |
| print.punycoder_validation_summary | Print method for punycoder validation summaries |
| puny_decode | Decode ASCII Punycode to Unicode domain labels (low-level) |
| puny_encode | Encode Unicode domain labels to ASCII Punycode (low-level) |
| summary.punycoder_validation | Summarize punycoder validation results |
| unicode_versions | Unicode table sets available in this build |
| validate_domain | Comprehensive domain name validation |