U+F9CF "紐" CJK Compatibility Ideograph-# Unicode Character

U+F9CF "紐" CJK Compatibility Ideograph-# is a specialized East Asian character classified under the CJK Compatibility Ideographs block, representing a specific Chinese character variant used in historical or legacy text encoding systems. This particular ideograph corresponds to a simplified or alternative form of a standard CJK character, primarily intended for compatibility with older character sets like those found in early Japanese or Chinese digital fonts, rather than for modern, general-purpose writing. Its inclusion in Unicode ensures that documents using such legacy representations remain correctly displayable, though it is rarely encountered in contemporary text outside of archival or specialized typographic contexts.

General Properties

Code Point	U+F9CF
Version Added	1.1
Name	CJK Compatibility Ideograph-#
Block	CJK Compatibility Ideographs
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Canonical
Decomposition Mapping	"紐" U+7D10 CJK Unified Ideograph-#

Encodings

HTML Decimal Encoding	紐
HTML Hex Encoding	紐
UTF-8 Encoding	0xEF 0xA7 0x8F
UTF-16 Encoding	0xF9CF
UTF-32 Encoding	0x0000F9CF
C/C++/Java Escape	\uf9cf

Unicode Properties

Full Composition Exclusion	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Ideographic
East Asian Width	Wide
Changes When NFKC Casefolded	Yes
NFKC Casefold	"紐" U+7D10 CJK Unified Ideograph-#
NFKC Simple Casefold	"紐" U+7D10 CJK Unified Ideograph-#
Script	Han
Script Extensions	Han
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	OLetter
Ideographic	Yes

Unihan Properties

kCompatibilityVariant	U+7D10
kDefinition	knot; button; handle, knob; tie
kHangul	유:0
kIRG_KSource	K0-6B2A
kKorean	YU
kRSUnicode	120.4
kTotalStrokes	10