| Name | LATIN SMALL LETTER A WITH DIAERESIS AND MACRON LATIN SMALL LETTER A DIAERESIS MACRON |
| Unicode Version | 1.1 |
| Block（ブロック） | Latin Extended-B（ラテン文字拡張B） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ǟ ǟ |
| UTF-8 Encoding | ǟ c79f |
| UTF-16 Encoding | ǟ 01df |
| UTF-32 Encoding | ǟ 000001df |