U+FD08 "ﴈ" Arabic Ligature Dad with Yeh Isolated Form Unicode Character

Unicode Version 17.0

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