U+30FF "ヿ" Katakana Digraph Koto Unicode Character
Unicode Version 17.0
ヿ
U+30FF "ヿ" Katakana Digraph Koto is a specialized Japanese typographic symbol representing a single character for the sound "koto," which is a combination of the katakana syllables ko (コ) and to (ト). Historically used as an abbreviation or ligature in certain old Japanese texts, particularly in vertical writing for compactness, it is now considered rare and largely archaic, though it remains encoded in Unicode for historical and scholarly purposes rather than for modern everyday use.
General Properties
| Code Point | U+30FF |
| Version Added | 3.2 |
| Name | Katakana Digraph Koto |
| Block | Katakana |
| General Category | Other Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Vertical |
| Decomposition Mapping | "コ" U+30B3 Katakana Letter Ko "ト" U+30C8 Katakana Letter To |
Encodings
| HTML Decimal Encoding | ヿ |
| HTML Hex Encoding | ヿ |
| UTF-8 Encoding | 0xE3 0x83 0xBF |
| UTF-16 Encoding | 0x30FF |
| UTF-32 Encoding | 0x000030FF |
| C/C++/Java Escape | \u30ff |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Ideographic |
| East Asian Width | Wide |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "コ" U+30B3 Katakana Letter Ko "ト" U+30C8 Katakana Letter To |
| NFKC Simple Casefold | "コ" U+30B3 Katakana Letter Ko "ト" U+30C8 Katakana Letter To |
| Script | Katakana |
| Script Extensions | Katakana |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Katakana |
| Sentence Break | OLetter |