Source: Noto CJK

U+309E Hiragana Voiced Iteration Mark

U+309E was added to Unicode in version 1.1 (1993). It belongs to the block U+3040 to U+309F Hiragana in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Modifier Letter and is mainly used in the Hiragana script.

The glyph is a Canonical composition of the glyphs Hiragana Iteration Mark, Combining Katakana-Hiragana Voiced Sound Mark. It has a Wide East Asian Width. In bidirectional context it acts as Left To Right and is not mirrored. In text U+309E behaves as Nonstarter regarding line breaks. It has type Other Letter for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

Iteration marks are characters or punctuation marks that represent a duplicated character or word.

Representations

System	Representation
Nº	12446
UTF-8	E3 82 9E
UTF-16	30 9E
UTF-32	00 00 30 9E
URL-Quoted	%E3%82%9E
HTML hex reference	ゞ
Wrong windows-1252 Mojibake	â—Œã‚ž
Encoding: JIS0208 (hex bytes)	A1 B6
Adobe Glyph List	voicediterationhiragana
digraph	+5

Elsewhere

Complete Record

Property	Value
Age	1.1 (1993)
Unicode Name	HIRAGANA VOICED ITERATION MARK
Unicode 1 Name	—
Block	Hiragana
General Category	Modifier Letter
Script	Hiragana
Bidirectional Category	Left To Right
Combining Class	Not Reordered
Decomposition Type	Canonical
Decomposition Mapping	Hiragana Iteration Mark Combining Katakana-Hiragana Voiced Sound Mark
Lowercase	✘
Simple Lowercase Mapping	Hiragana Voiced Iteration Mark
Lowercase Mapping	Hiragana Voiced Iteration Mark
Uppercase	✘
Simple Uppercase Mapping	Hiragana Voiced Iteration Mark
Uppercase Mapping	Hiragana Voiced Iteration Mark
Simple Titlecase Mapping	Hiragana Voiced Iteration Mark
Titlecase Mapping	Hiragana Voiced Iteration Mark
Case Folding	Hiragana Voiced Iteration Mark
ASCII Hex Digit	✘
Alphabetic	✔
Bidi Control	✘
Bidi Mirrored	✘
Composition Exclusion	✘
Case Ignorable	✔
Changes When Casefolded	✘
Changes When Casemapped	✘
Changes When NFKC Casefolded	✘
Changes When Lowercased	✘
Changes When Titlecased	✘
Changes When Uppercased	✘
Cased	✘
Full Composition Exclusion	✘
Default Ignorable Code Point	✘
Dash	✘
Deprecated	✘
Diacritic	✘
Emoji Modifier Base	✘
Emoji Component	✘
Emoji Modifier	✘
Emoji Presentation	✘
Emoji	✘
Extender	✔
Extended Pictographic	✘
FC NFKC Closure	Hiragana Voiced Iteration Mark
Grapheme Cluster Break	Any
Grapheme Base	✔
Grapheme Extend	✘
Grapheme Link	✘
Hex Digit	✘
Hyphen	✘
ID Continue	✔
ID Start	✔
IDS Binary Operator	✘
IDS Trinary Operator and	✘
Ideographic	✘
Indic Mantra Category	—
Indic Positional Category	NA
Indic Syllabic Category	Other
Jamo Short Name	—
Join Control	✘
Logical Order Exception	✘
Math	✘
Noncharacter Code Point	✘
NFC Quick Check	Yes
NFD Quick Check	No
NFKC Casefold	Hiragana Voiced Iteration Mark
NFKC Quick Check	Yes
NFKD Quick Check	No
Other Alphabetic	✘
Other Default Ignorable Code Point	✘
Other Grapheme Extend	✘
Other ID Continue	✘
Other ID Start	✘
Other Lowercase	✘
Other Math	✘
Other Uppercase	✘
Prepended Concatenation Mark	✘
Pattern Syntax	✘
Pattern White Space	✘
Quotation Mark	✘
Regional Indicator	✘
Radical	✘
Sentence Break	Other Letter
Soft Dotted	✘
Sentence Terminal	✘
Terminal Punctuation	✘
Unified Ideograph	✘
Variation Selector	✘
Word Break	Other
White Space	✘
XID Continue	✔
XID Start	✔
Expands On NFC	✘
Expands On NFD	✔
Expands On NFKC	✘
Expands On NFKD	✔
Bidi Paired Bracket	Hiragana Voiced Iteration Mark
Bidi Paired Bracket Type	None
East Asian Width	Wide
Hangul Syllable Type	Not Applicable
ISO 10646 Comment	—
Joining Group	No_Joining_Group
Joining Type	Non Joining
Line Break	Nonstarter
Numeric Type	None
Numeric Value	not a number
Simple Case Folding	Hiragana Voiced Iteration Mark
Script Extension
Vertical Orientation	U