Source: Noto CJK

U+FF6E Halfwidth Katakana Letter Small Yo

U+FF6E was added in Unicode version 1.1 in 1993. It belongs to the block U+FF00 to U+FFEF Halfwidth and Fullwidth Forms in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Other Letter and is mainly used in the Katakana script.

The glyph is a narrow version of the glyph Katakana Letter Small Yo. Accordingly, its width in East Asian Text is halfwidth. In bidirectional text it is written from left to right. When changing direction it is not mirrored. This katakana joins with other adjacent katakana to form a word. U+FF6E prohibits line breaks before its position. There are some exceptions, though.

The Wikipedia has the following information about this codepoint:

よ, in hiragana or ヨ in katakana, is one of the Japanese kana, each of which represents one mora. The hiragana is made in two strokes, while the katakana in three. Both represent [jo].
When small and preceded by an -i kana, this kana represents a palatalization of the preceding consonant sound with the [o] vowel (see yōon).
In mathematics, よ is sometimes used to represent the Yoneda embedding.

Representations

System	Representation (click value to copy)
Nº	65390
UTF-8	EF BD AE
UTF-16	FF 6E
UTF-32	00 00 FF 6E
URL-Quoted	%EF%BD%AE
HTML hex reference	ｮ
Wrong windows-1252 Mojibake	ï½®
Encoding: CP932 (hex bytes)	AE
Encoding: EUC_JP (hex bytes)	8E AE
Encoding: EUC_JIS_2004 (hex bytes)	8E AE
Encoding: EUC_JISX0213 (hex bytes)	8E AE
Encoding: GB18030 (hex bytes)	84 31 97 30
Encoding: ISO2022_JP_EXT (hex bytes)	1B 28 49 2E 1B 28 42
Encoding: SHIFT_JIS (hex bytes)	AE
Encoding: SHIFT_JIS_2004 (hex bytes)	AE
Encoding: SHIFT_JISX0213 (hex bytes)	AE
Encoding: CP290 (hex bytes)	55
Adobe Glyph List	yosmallkatakanahalfwidth
RFC 5137	\u'FF6E'
Bash and Zsh inside `echo -e`	\uFF6E
C and C++	\uFF6E
C#	\uFF6E
CSS	\00FF6E
Excel	=UNICHAR(65390)
Go	\uFF6E
JavaScript	\uFF6E
Modern JavaScript since ES6	\u{ff6e}
JSON	\uFF6E
Java	\uFF6E
Lua	\u{FF6E}
Matlab	char(65390)
Perl	"\x{FF6E}"
PHP	\u{ff6e}
PostgreSQL	U&'\FF6E'
PowerShell	`u{FF6E}
Python	\uFF6E
Ruby	\u{ff6e}
Rust	\u{ff6e}
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Elsewhere

Complete Record

Property	Value
Age (age)	1.1 (1993)
Unicode Name (na)	HALFWIDTH KATAKANA LETTER SMALL YO
Unicode 1 Name (na1)	—
Block (blk)	Halfwidth and Fullwidth Forms
General Category (gc)	Other Letter
Script (sc)	Katakana
Bidirectional Category (bc)	Left To Right
Combining Class (ccc)	Not Reordered
Decomposition Type (dt)	narrow
Decomposition Mapping (dm)	Katakana Letter Small Yo
Lowercase (Lower)	✘
Simple Lowercase Mapping (slc)	Halfwidth Katakana Letter Small Yo
Lowercase Mapping (lc)	Halfwidth Katakana Letter Small Yo
Uppercase (Upper)	✘
Simple Uppercase Mapping (suc)	Halfwidth Katakana Letter Small Yo
Uppercase Mapping (uc)	Halfwidth Katakana Letter Small Yo
Simple Titlecase Mapping (stc)	Halfwidth Katakana Letter Small Yo
Titlecase Mapping (tc)	Halfwidth Katakana Letter Small Yo
Case Folding (cf)	Halfwidth Katakana Letter Small Yo
ASCII Hex Digit (AHex)	✘
Alphabetic (Alpha)	✔
Bidi Control (Bidi_C)	✘
Bidi Mirrored (Bidi_M)	✘
Composition Exclusion (CE)	✘
Case Ignorable (CI)	✘
Changes When Casefolded (CWCF)	✘
Changes When Casemapped (CWCM)	✘
Changes When NFKC Casefolded (CWKCF)	✔
Changes When Lowercased (CWL)	✘
Changes When Titlecased (CWT)	✘
Changes When Uppercased (CWU)	✘
Cased (Cased)	✘
Full Composition Exclusion (Comp_Ex)	✘
Default Ignorable Code Point (DI)	✘
Dash (Dash)	✘
Deprecated (Dep)	✘
Diacritic (Dia)	✘
Emoji Modifier Base (EBase)	✘
Emoji Component (EComp)	✘
Emoji Modifier (EMod)	✘
Emoji Presentation (EPres)	✘
Emoji (Emoji)	✘
Extender (Ext)	✘
Extended Pictographic (ExtPict)	✘
FC NFKC Closure (FC_NFKC)	Halfwidth Katakana Letter Small Yo
Grapheme Cluster Break (GCB)	Any
Grapheme Base (Gr_Base)	✔
Grapheme Extend (Gr_Ext)	✘
Grapheme Link (Gr_Link)	✘
Hex Digit (Hex)	✘
Hyphen (Hyphen)	✘
ID Continue (IDC)	✔
ID Start (IDS)	✔
IDS Binary Operator (IDSB)	✘
IDS Trinary Operator and (IDST)	✘
IDSU (IDSU)	0
ID_Compat_Math_Continue (ID_Compat_Math_Continue)	0
ID_Compat_Math_Start (ID_Compat_Math_Start)	0
Ideographic (Ideo)	✘
InCB (InCB)	None
Indic Mantra Category (InMC)	—
Indic Positional Category (InPC)	NA
Indic Syllabic Category (InSC)	Other
Jamo Short Name (JSN)	—
Join Control (Join_C)	✘
Logical Order Exception (LOE)	✘
Modifier Combining Mark (MCM)	✘
Math (Math)	✘
Noncharacter Code Point (NChar)	✘
NFC Quick Check (NFC_QC)	Yes
NFD Quick Check (NFD_QC)	Yes
NFKC Casefold (NFKC_CF)	Katakana Letter Small Yo
NFKC Quick Check (NFKC_QC)	No
NFKC_SCF (NFKC_SCF)	Katakana Letter Small Yo
NFKD Quick Check (NFKD_QC)	No
Other Alphabetic (OAlpha)	✘
Other Default Ignorable Code Point (ODI)	✘
Other Grapheme Extend (OGr_Ext)	✘
Other ID Continue (OIDC)	✘
Other ID Start (OIDS)	✘
Other Lowercase (OLower)	✘
Other Math (OMath)	✘
Other Uppercase (OUpper)	✘
Prepended Concatenation Mark (PCM)	✘
Pattern Syntax (Pat_Syn)	✘
Pattern White Space (Pat_WS)	✘
Quotation Mark (QMark)	✘
Regional Indicator (RI)	✘
Radical (Radical)	✘
Sentence Break (SB)	Other Letter
Soft Dotted (SD)	✘
Sentence Terminal (STerm)	✘
Terminal Punctuation (Term)	✘
Unified Ideograph (UIdeo)	✘
Variation Selector (VS)	✘
Word Break (WB)	Katakana
White Space (WSpace)	✘
XID Continue (XIDC)	✔
XID Start (XIDS)	✔
Expands On NFC (XO_NFC)	✘
Expands On NFD (XO_NFD)	✘
Expands On NFKC (XO_NFKC)	✘
Expands On NFKD (XO_NFKD)	✘
Bidi Paired Bracket (bpb)	Halfwidth Katakana Letter Small Yo
Bidi Paired Bracket Type (bpt)	None
East Asian Width (ea)	halfwidth
Hangul Syllable Type (hst)	Not Applicable
ISO 10646 Comment (isc)	—
Joining Group (jg)	No_Joining_Group
Joining Type (jt)	Non Joining
Line Break (lb)	Conditional Japanese Starter
Numeric Type (nt)	none
Numeric Value (nv)	not a number
Simple Case Folding (scf)	Halfwidth Katakana Letter Small Yo
Script Extension (scx)
Vertical Orientation (vo)	R