U+FE10 "︐" Presentation Form for Vertical Comma Unicode Character

U+FE10 "︐" Presentation Form for Vertical Comma is a compatibility variant of the standard comma, specifically designed for use in East Asian text that is typeset vertically rather than horizontally. It belongs to the Vertical Forms block and ensures that a comma retains its familiar shape and orientation when text lines are rotated, preventing it from appearing awkwardly tilted or misaligned in a vertical writing mode. This character is intended for legacy conversion or precise layout control rather than typical digital input, as modern rendering engines often automatically substitute appropriate glyphs for punctuation in vertical text.

General Properties

Code Point	U+FE10
Version Added	4.1
Name	Presentation Form for Vertical Comma
Block	Vertical Forms
General Category	Other Punctuation
Canonical Combining Class	Not Reordered
Bidirectional Class	Other Neutral
Decomposition Type	Vertical
Decomposition Mapping	"," U+002C Comma

Encodings

HTML Decimal Encoding	︐
HTML Hex Encoding	︐
UTF-8 Encoding	0xEF 0xB8 0x90
UTF-16 Encoding	0xFE10
UTF-32 Encoding	0x0000FE10
C/C++/Java Escape	\ufe10

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Close Punctuation
East Asian Width	Wide
Changes When NFKC Casefolded	Yes
NFKC Casefold	"," U+002C Comma
NFKC Simple Casefold	"," U+002C Comma
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	SContinue