U+F9E8 "裡" CJK Compatibility Ideograph-# Unicode Character

U+F9E8 "裡" CJK Compatibility Ideograph-# is a compatibility ideograph from the CJK Compatibility block, representing a variant form of the Chinese character with the meaning "inside" or "within," commonly used in historical or traditional contexts. It was included in Unicode primarily to preserve roundtrip compatibility with older East Asian character encoding standards, such as those used in legacy Japanese and Chinese text systems. This character is a duplicate of the standard CJK Unified Ideograph U+88CF "裏" but serves the specific purpose of maintaining exact visual and semantic representation in digital data conversion, particularly in applications where original encoding forms must be retained.

General Properties

Code Point	U+F9E8
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	"裡" U+88E1 CJK Unified Ideograph-#

Encodings

HTML Decimal Encoding	裡
HTML Hex Encoding	裡
UTF-8 Encoding	0xEF 0xA7 0xA8
UTF-16 Encoding	0xF9E8
UTF-32 Encoding	0x0000F9E8
C/C++/Java Escape	\uf9e8

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	"裡" U+88E1 CJK Unified Ideograph-#
NFKC Simple Casefold	"裡" U+88E1 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+88E1
kDefinition	inside, interior, within
kHangul	이:0
kIRG_KSource	K0-6C41
kKorean	I
kNelson	4235
kRSUnicode	145.7
kTotalStrokes	12