0656..0658    ; valid                                  # 4.0  ARABIC SUBSCRIPT ALEF..ARABIC MARK NOON GHUNNA
0659..065E    ; valid                                  # 4.1  ARABIC ZWARAKAY..ARABIC FATHA WITH TWO DOTS
065F          ; valid                                  # 6.0  ARABIC WAVY HAMZA BELOW
0660..0669    ; valid                                  # 1.1  ARABIC-INDIC DIGIT ZERO..ARABIC-INDIC DIGIT NINE

          "type":       "keyword_marker",
          "keywords_path": "${fess.dictionary.path}ar/protwords.txt"
        },
        "arabic_stemmer": {
          "type":       "stemmer",
          "language":   "arabic"
        },
        "arabic_override": {
          "type":       "stemmer_override",
          "rules_path": "${fess.dictionary.path}ar/stemmer_override.txt"
        },
        "armenian_stop": {

import kotlin.test.Test
import kotlin.test.assertEquals
import kotlin.test.assertNull

class PunycodeTest {
  /** https://datatracker.ietf.org/doc/html/rfc3492#section-7.1 */
  @Test fun rfc3492Samples() {
    // (A) Arabic (Egyptian)
    testEncodeDecode(
      unicode = "ليهمابتكلموشعربي؟",
      punycode = "xn--egbpdaj6bu4bxfgehfvwxn",
    )

    // (B) Chinese (simplified)
    testEncodeDecode(
      unicode = "他们为什么不说中文",

рф

// xn--wgbl6a ("Qatar", Arabic) : QA
// http://www.ict.gov.qa/
قطر

// xn--mgberp4a5d4ar ("AlSaudiah", Arabic) : SA
// http://www.nic.net.sa/
السعودية

// xn--mgberp4a5d4a87g ("AlSaudiah", Arabic, variant)  : SA
السعودیة

// xn--mgbqly7c0a67fbc ("AlSaudiah", Arabic, variant) : SA
السعودیۃ

// xn--mgbqly7cvafr ("AlSaudiah", Arabic, variant) : SA
السعوديه

        "arabic_keywords": {
          "type":       "keyword_marker",
          "keywords": ["مرحباا", "عالم", "بحث"]
        },
        "arabic_stemmer": {
          "type":       "stemmer",
          "language":   "arabic"
        },
        "arabic_override": {
          "type":       "stemmer_override",
          "rules": []
        },
        "armenian_stop": {
          "type":       "stop",