Japanese Details

    Table ID:
    ja
    Table Type:
    Language
    Version:
    1.2
    Date Introduced:
    2019-08-12

    Domain Extensions which support this table

    Policy Statement:
    References for contextual rules
Code points: 
* U+002D (HYPHEN-MINUS): Cannot begin or end a label, Cannot occupy 3rd and 4th position Reference RFC 5891 (4.2.3.1) 
* U+30FB (KATAKANA MIDDLE DOT): MUST also include at least one character from the Katakana, Hiragana, or Han scripts 
* U+30FD (KATAKANA ITERATION MARK): MUST be immediately preceded by a Katakana character 
* U+30FC (KATAKANA-HIRAGANA PROLONGED SOUND MARK): MUST be immediately preceded by a Han, Hiragana, or a Katakana code point. 
* U+309D..U+309E, U+30FC..U+30FE (MODIFIER LETTERS) Cannot begin a label. Predelegation Tester request

    Download IDN table

    ja_1.2 (txt)
     

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