Source: Noto CJK

U+302F Hangul Double Dot Tone Mark

U+302F was added to Unicode in version 1.1 (1993). It belongs to the block U+3000 to U+303F CJK Symbols and Punctuation in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Spacing Mark and is mainly used in the Hangul script. The character is also known as double dot Bangjeom.

The glyph is not a composition. It has a Wide East Asian Width. In bidirectional context it acts as Left To Right and is not mirrored. In text U+302F behaves as Combining Mark regarding line breaks. It has type Extend for sentence and Extend for word breaks. The Grapheme Cluster Break is Extend.

Representations

System	Representation
Nº	12335
UTF-8	E3 80 AF
UTF-16	30 2F
UTF-32	00 00 30 2F
URL-Quoted	%E3%80%AF
HTML hex reference	〯
Wrong windows-1252 Mojibake	ã€¯
alias	double dot Bangjeom

Elsewhere

Complete Record

Property	Value
Age	1.1 (1993)
Unicode Name	HANGUL DOUBLE DOT TONE MARK
Unicode 1 Name	—
Block	CJK Symbols and Punctuation
General Category	Spacing Mark
Script	Hangul
Bidirectional Category	Left To Right
Combining Class	Left
Decomposition Type	None
Decomposition Mapping	Hangul Double Dot Tone Mark
Lowercase	✘
Simple Lowercase Mapping	Hangul Double Dot Tone Mark
Lowercase Mapping	Hangul Double Dot Tone Mark
Uppercase	✘
Simple Uppercase Mapping	Hangul Double Dot Tone Mark
Uppercase Mapping	Hangul Double Dot Tone Mark
Simple Titlecase Mapping	Hangul Double Dot Tone Mark
Titlecase Mapping	Hangul Double Dot Tone Mark
Case Folding	Hangul Double Dot Tone 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	Hangul Double Dot Tone Mark
Grapheme Cluster Break	Extend
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	Yes
NFKC Casefold	Hangul Double Dot Tone Mark
NFKC Quick Check	Yes
NFKD Quick Check	Yes
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	Extend
Soft Dotted	✘
Sentence Terminal	✘
Terminal Punctuation	✘
Unified Ideograph	✘
Variation Selector	✘
Word Break	Extend
White Space	✘
XID Continue	✔
XID Start	✘
Expands On NFC	✘
Expands On NFD	✘
Expands On NFKC	✘
Expands On NFKD	✘
Bidi Paired Bracket	Hangul Double Dot Tone 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	Combining Mark
Numeric Type	None
Numeric Value	not a number
Simple Case Folding	Hangul Double Dot Tone Mark
Script Extension
Vertical Orientation	U