U+FD12 "ﴒ" Arabic Ligature Tah with Yeh Final Form Unicode Character

U+FD12 "ﴒ" Arabic Ligature Tah with Yeh Final Form is a typographic ligature used in the Arabic script, specifically representing the combined forms of the letters "Tah" (ط) and "Yeh" (ي) in their final positional form when they occur at the end of a word. This character belongs to the Arabic Presentation Forms-A block, which was designed to support the complex cursive and contextual shaping requirements of Arabic calligraphy and typesetting. It is primarily utilized in legacy digital fonts and systems where precomposed glyphs were necessary to render joined letters correctly, though modern Unicode rendering engines typically handle such ligatures through dynamic joining rules rather than requiring separate encoded characters.

General Properties

Code Point	U+FD12
Version Added	1.1
Name	Arabic Ligature Tah with Yeh Final Form
Block	Arabic Presentation Forms-A
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Arabic Letter
Decomposition Type	Final
Decomposition Mapping	"ط" U+0637 Arabic Letter Tah "ي" U+064A Arabic Letter Yeh

Encodings

HTML Decimal Encoding	ﴒ
HTML Hex Encoding	ﴒ
UTF-8 Encoding	0xEF 0xB4 0x92
UTF-16 Encoding	0xFD12
UTF-32 Encoding	0x0000FD12
C/C++/Java Escape	\ufd12

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	"ط" U+0637 Arabic Letter Tah "ي" U+064A Arabic Letter Yeh
NFKC Simple Casefold	"ط" U+0637 Arabic Letter Tah "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