U+0208 "Ȉ" Latin Capital Letter I with Double Grave Unicode Character
U+0208 "Ȉ" Latin Capital Letter I with Double Grave is a specialized letter used primarily in phonetic transcription and certain romanization systems, such as the transliteration of languages like Romany or some Baltic and Slavic languages, to represent a prolonged or stressed version of the base letter I. It consists of a standard uppercase Latin letter I paired with a double grave accent (two stacked grave marks) above it, visually appearing as "Ȉ." This character is distinct from the more common I with a single grave or acute, and it is part of the Latin Extended-B block in Unicode, designed to accommodate orthographic needs beyond basic Latin scripts. Its purpose is to convey precise pronunciation details in scholarly or linguistic contexts, though it is rarely used in everyday writing.
General Properties
| Code Point | U+0208 |
| Version Added | 1.1 |
| Name | Latin Capital Letter I with Double Grave |
| Block | Latin Extended-B |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "I" U+0049 Latin Capital Letter I "̏" U+030F Combining Double Grave Accent |
Encodings
| HTML Decimal Encoding | Ȉ |
| HTML Hex Encoding | Ȉ |
| UTF-8 Encoding | 0xC8 0x88 |
| UTF-16 Encoding | 0x0208 |
| UTF-32 Encoding | 0x00000208 |
| C/C++/Java Escape | \u0208 |
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 | "ȉ" U+0209 Latin Small Letter I with Double Grave |
| Lowercase Code Point | "ȉ" U+0209 Latin Small Letter I with Double Grave |
| Simple Case Folding | "ȉ" U+0209 Latin Small Letter I with Double Grave |
| Case Folding | "ȉ" U+0209 Latin Small Letter I with Double Grave |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ȉ" U+0209 Latin Small Letter I with Double Grave |
| NFKC Simple Casefold | "ȉ" U+0209 Latin Small Letter I with Double Grave |
| 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 |