U+1ECE "Ỏ" Latin Capital Letter O with Hook Above Unicode Character
U+1ECE "Ỏ" Latin Capital Letter O with Hook Above is a precomposed letter used primarily in the Vietnamese alphabet, where it represents the vowel sound /ɔ/ in a specific "hỏi" or rising-falling tone, often indicated by its shape as a standard Latin capital O with a small hook attached to its top right side. This character is distinct from other diacritic-marked O variants, as the hook above denotes a tonal inflection rather than a vowel quality change, and it is encoded for text processing to ensure correct representation in digital environments for Vietnamese language documents. Its inclusion in the Unicode standard allows computers and software to properly display and handle this letter, which is essential for accurate written communication in Vietnamese.
General Properties
| Code Point | U+1ECE |
| Version Added | 1.1 |
| Name | Latin Capital Letter O with Hook Above |
| Block | Latin Extended Additional |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "O" U+004F Latin Capital Letter O "̉" U+0309 Combining Hook Above |
Encodings
| HTML Decimal Encoding | Ỏ |
| HTML Hex Encoding | Ỏ |
| UTF-8 Encoding | 0xE1 0xBB 0x8E |
| UTF-16 Encoding | 0x1ECE |
| UTF-32 Encoding | 0x00001ECE |
| C/C++/Java Escape | \u1ece |
Unicode Properties
| NFC Quick Check | Yes |
| NFKC Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Uppercase | Yes |
| Simple Lowercase Code Point | "ỏ" U+1ECF Latin Small Letter O with Hook Above |
| Lowercase Code Point | "ỏ" U+1ECF Latin Small Letter O with Hook Above |
| Simple Case Folding | "ỏ" U+1ECF Latin Small Letter O with Hook Above |
| Case Folding | "ỏ" U+1ECF Latin Small Letter O with Hook Above |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ỏ" U+1ECF Latin Small Letter O with Hook Above |
| NFKC Simple Casefold | "ỏ" U+1ECF Latin Small Letter O with Hook Above |
| Script | Latin |
| Script Extensions | Latin |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |