U+FE31 "︱" Presentation Form for Vertical Em Dash Unicode Character

Unicode Version 17.0

U+FE31 "︱" Presentation Form for Vertical Em Dash is a typographic glyph designed specifically for use in vertical writing systems, such as traditional Chinese, Japanese, and Korean scripts, where text runs from top to bottom. It serves as a variant of the standard em dash, which is typically a horizontal line used to indicate a break in thought or a parenthetical statement in horizontal text. In vertical layouts, this character provides a properly oriented dash that maintains the intended visual flow and spacing, ensuring that punctuation aligns correctly with the directional reading order.

General Properties

Code Point U+FE31
Version Added 1.1
Name Presentation Form for Vertical Em Dash
Unicode 1.0 Name Glyph for Vertical Em Dash
Block CJK Compatibility Forms
General Category Dash Punctuation
Canonical Combining Class Not Reordered
Bidirectional Class Other Neutral
Decomposition Type Vertical
Decomposition Mapping "—" U+2014 Em Dash

Encodings

HTML Decimal Encoding ︱
HTML Hex Encoding ︱
UTF-8 Encoding 0xEF 0xB8 0xB1
UTF-16 Encoding 0xFE31
UTF-32 Encoding 0x0000FE31
C/C++/Java Escape \ufe31

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Ideographic
East Asian Width Wide
Changes When NFKC Casefolded Yes
NFKC Casefold "—" U+2014 Em Dash
NFKC Simple Casefold "—" U+2014 Em Dash
Script Common
Script Extensions Common
Indic Syllabic Category Other
Dash Yes
Vertical Orientation Upright
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Other
Sentence Break SContinue