U+FD08 "ﴈ" Arabic Ligature Dad with Yeh Isolated Form Unicode Character
U+FD08 "ﴈ" Arabic Ligature Dad with Yeh Isolated Form is a typographic ligature from the Arabic Presentation Forms-A block, combining the letter ḍād (ض) with the letter yā’ (ي) in their isolated forms to create a single decorative glyph. Historically, such ligatures were employed in traditional calligraphy and typesetting to enhance visual harmony and save space in manuscripts, particularly in Quranic or classical Arabic texts. In modern digital use, this character is considered a legacy encoding artifact, as standard Unicode Arabic encoding typically represents the two separate characters (ض and ي) and relies on font-level ligation rather than a dedicated codepoint. Although preserved for compatibility with older systems, it is not recommended for new content due to potential rendering issues across platforms.
General Properties
| Code Point | U+FD08 |
| Version Added | 1.1 |
| Name | Arabic Ligature Dad with Yeh Isolated Form |
| Block | Arabic Presentation Forms-A |
| General Category | Other Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Arabic Letter |
| Decomposition Type | Isolated |
| Decomposition Mapping | "ض" U+0636 Arabic Letter Dad "ي" U+064A Arabic Letter Yeh |
Encodings
| HTML Decimal Encoding | ﴈ |
| HTML Hex Encoding | ﴈ |
| UTF-8 Encoding | 0xEF 0xB4 0x88 |
| UTF-16 Encoding | 0xFD08 |
| UTF-32 Encoding | 0x0000FD08 |
| C/C++/Java Escape | \ufd08 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ض" U+0636 Arabic Letter Dad "ي" U+064A Arabic Letter Yeh |
| NFKC Simple Casefold | "ض" U+0636 Arabic Letter Dad "ي" U+064A Arabic Letter Yeh |
| Script | Arabic |
| Script Extensions | Arabic |
| 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 | OLetter |