U+FAAC "窱" CJK Compatibility Ideograph-# Unicode Character

U+FAAC "窱" CJK Compatibility Ideograph-# is a compatibility ideograph from the CJK Compatibility Ideographs block, included in Unicode to facilitate round-trip conversion with older East Asian character encoding standards, such as CNS 11643 or the IBM 32-based character sets. This specific glyph has no independent meaning or modern usage in standard Chinese, Japanese, or Korean text, as it is a duplicate of a regular CJK Unified Ideograph (U+2F8E6) and was encoded solely for compatibility purposes to preserve the original mapping from legacy systems. Its presence in Unicode ensures that documents created with those older encodings can be losslessly mapped to and from Unicode without data corruption, even though the character is functionally identical to its unified counterpart and is not intended for active use in contemporary writing.

General Properties

Code Point	U+FAAC
Version Added	4.1
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	"窱" U+7AB1 CJK Unified Ideograph-#

Encodings

HTML Decimal Encoding	窱
HTML Hex Encoding	窱
UTF-8 Encoding	0xEF 0xAA 0xAC
UTF-16 Encoding	0xFAAC
UTF-32 Encoding	0x0000FAAC
C/C++/Java Escape	\ufaac

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	"窱" U+7AB1 CJK Unified Ideograph-#
NFKC Simple Casefold	"窱" U+7AB1 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+7AB1
kIRG_KPSource	KP1-6330
kRSUnicode	116.10
kTotalStrokes	15