U+0130 "İ" Latin Capital Letter I with Dot Above Unicode Character
Unicode Version 17.0
İ
U+0130 "İ" Latin Capital Letter I with Dot Above is a distinct letter used in the Turkish, Azerbaijani, and several other Turkic language orthographies, where it represents a high front unrounded vowel sound, contrasting with the dotless capital I. This character ensures that the capitalization rule for the letter "i" in these languages creates a visible distinction from its unrounded counterpart, avoiding ambiguity in writing. In digital text, it is essential for correct typographic representation and automated processes like spell-checking and case conversion in these linguistic contexts.
General Properties
| Code Point | U+0130 |
| Version Added | 1.1 |
| Name | Latin Capital Letter I with Dot Above |
| Unicode 1.0 Name | Latin Capital Letter I Dot |
| Block | Latin Extended-A |
| 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+0307 Combining Dot Above |
Encodings
| HTML Decimal Encoding | İ |
| HTML Hex Encoding | İ |
| UTF-8 Encoding | 0xC4 0xB0 |
| UTF-16 Encoding | 0x0130 |
| UTF-32 Encoding | 0x00000130 |
| C/C++/Java Escape | \u0130 |
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 | "i" U+0069 Latin Small Letter I |
| Lowercase Code Point | "i" U+0069 Latin Small Letter I "̇" U+0307 Combining Dot Above |
| Case Folding | "i" U+0069 Latin Small Letter I "̇" U+0307 Combining Dot Above |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "i" U+0069 Latin Small Letter I "̇" U+0307 Combining Dot 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 |