U+FE51 "﹑" Small Ideographic Comma Unicode Character

Unicode Version 17.0

U+FE51 "﹑" Small Ideographic Comma is a punctuation mark used primarily in East Asian typography, specifically as a narrower or smaller variant of the standard ideographic comma (U+3001 "、"). It belongs to the CJK Compatibility Forms block, where it serves as a visual alternative for applications that require a reduced glyph size to match specific font metrics or spacing requirements. Unlike the common fullwidth comma, this character is intended for environments where a more compact punctuation is needed, such as in some types of vertical text or limited-space layouts, while still performing the same function of separating items in a list or clauses in a sentence. Its inclusion in Unicode ensures consistent representation across digital platforms that rely on Chinese, Japanese, or Korean script conventions.

General Properties

Code Point U+FE51
Version Added 1.1
Name Small Ideographic Comma
Block Small Form Variants
General Category Other Punctuation
Canonical Combining Class Not Reordered
Bidirectional Class Other Neutral
Decomposition Type Small
Decomposition Mapping "、" U+3001 Ideographic Comma

Encodings

HTML Decimal Encoding ﹑
HTML Hex Encoding ﹑
UTF-8 Encoding 0xEF 0xB9 0x91
UTF-16 Encoding 0xFE51
UTF-32 Encoding 0x0000FE51
C/C++/Java Escape \ufe51

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+3001 Ideographic Comma
NFKC Simple Casefold "、" U+3001 Ideographic Comma
Script Common
Script Extensions Common
Indic Syllabic Category Other
Terminal Punctuation Yes
Vertical Orientation Transformed Upright
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Other
Sentence Break SContinue