U+1EB6 "Ặ" Latin Capital Letter A with Breve and Dot Below Unicode Character
U+1EB6 "Ặ" Latin Capital Letter A with Breve and Dot Below is a precomposed glyph used primarily in the Vietnamese alphabet to represent a specific tone of the vowel "A," where the breve indicates a short vowel sound and the dot below signifies the nặng tone, which is a low, glottalized falling tone. This character is employed in the spelling of Vietnamese words such as "mặt" meaning face or surface, and it is distinct from the separate combining diacritical marks that could theoretically achieve the same visual result, as U+1EB6 ensures correct typographic rendering and encoding consistency. Its inclusion in Unicode supports the accurate digital representation of Vietnamese text, preserving linguistic nuances essential for proper reading, writing, and searching in that language.
General Properties
| Code Point | U+1EB6 |
| Version Added | 1.1 |
| Name | Latin Capital Letter A with Breve and Dot Below |
| Block | Latin Extended Additional |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "Ạ" U+1EA0 Latin Capital Letter A with Dot Below "̆" U+0306 Combining Breve |
Encodings
| HTML Decimal Encoding | Ặ |
| HTML Hex Encoding | Ặ |
| UTF-8 Encoding | 0xE1 0xBA 0xB6 |
| UTF-16 Encoding | 0x1EB6 |
| UTF-32 Encoding | 0x00001EB6 |
| C/C++/Java Escape | \u1eb6 |
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 | "ặ" U+1EB7 Latin Small Letter A with Breve and Dot Below |
| Lowercase Code Point | "ặ" U+1EB7 Latin Small Letter A with Breve and Dot Below |
| Simple Case Folding | "ặ" U+1EB7 Latin Small Letter A with Breve and Dot Below |
| Case Folding | "ặ" U+1EB7 Latin Small Letter A with Breve and Dot Below |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ặ" U+1EB7 Latin Small Letter A with Breve and Dot Below |
| NFKC Simple Casefold | "ặ" U+1EB7 Latin Small Letter A with Breve and Dot Below |
| 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 |