Source: Noto Sans PhagsPa

U+3018 Left White Tortoise Shell Bracket

U+3018 was added in Unicode version 1.1 in 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 Open Punctuation and is commonly used, that is, in no specific script. It is also used in the scripts Bopomofo, Hangul, Han, Hiragana, Katakana, Yi.

The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it acts as Other Neutral. When changing direction it is mirrored into Right White Tortoise Shell Bracket. U+3018 prohibits a line break after it.

The Wikipedia has the following information about this codepoint:

This article lists Japanese typographic symbols that are not included in kana or kanji groupings.

Representations

System	Representation
Nº	12312
UTF-8	E3 80 98
UTF-16	30 18
UTF-32	00 00 30 18
URL-Quoted	%E3%80%98
HTML hex reference	〘
Wrong windows-1252 Mojibake	ã€˜
Encoding: EUC_JIS_2004 (hex bytes)	A2 D8
Encoding: EUC_JISX0213 (hex bytes)	A2 D8
Encoding: GB18030 (hex bytes)	81 39 A3 37
Encoding: ISO2022_JP_2004 (hex bytes)	1B 24 28 51 22 58 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)	1B 24 28 4F 22 58 1B 28 42
Encoding: SHIFT_JIS_2004 (hex bytes)	81 D6
Encoding: SHIFT_JISX0213 (hex bytes)	81 D6
L^AT_EX	\ElsevierGlyph{3018}
Adobe Glyph List	whitetortoiseshellbracketleft

Related Characters

Right White Tortoise Shell Bracket

Elsewhere

Complete Record

Property	Value
Age (age)	1.1 (1993)
Unicode Name (na)	LEFT WHITE TORTOISE SHELL BRACKET
Unicode 1 Name (na1)	OPENING WHITE TORTOISE SHELL BRACKET
Block (blk)	CJK Symbols and Punctuation
General Category (gc)	Open Punctuation
Script (sc)	Common
Bidirectional Category (bc)	Other Neutral
Combining Class (ccc)	Not Reordered
Decomposition Type (dt)	none
Decomposition Mapping (dm)	Left White Tortoise Shell Bracket
Lowercase (Lower)	✘
Simple Lowercase Mapping (slc)	Left White Tortoise Shell Bracket
Lowercase Mapping (lc)	Left White Tortoise Shell Bracket
Uppercase (Upper)	✘
Simple Uppercase Mapping (suc)	Left White Tortoise Shell Bracket
Uppercase Mapping (uc)	Left White Tortoise Shell Bracket
Simple Titlecase Mapping (stc)	Left White Tortoise Shell Bracket
Titlecase Mapping (tc)	Left White Tortoise Shell Bracket
Case Folding (cf)	Left White Tortoise Shell Bracket
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)	Left White Tortoise Shell Bracket
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)	Left White Tortoise Shell Bracket
NFKC Quick Check (NFKC_QC)	Yes
NFKC_SCF (NFKC_SCF)	Left White Tortoise Shell Bracket
NFKD Quick Check (NFKD_QC)	Yes
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)	Close
Soft Dotted (SD)	✘
Sentence Terminal (STerm)	✘
Terminal Punctuation (Term)	✘
Unified Ideograph (UIdeo)	✘
Variation Selector (VS)	✘
Word Break (WB)	Other
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 Mirrored Glyph (bmg)	Right White Tortoise Shell Bracket
Bidi Paired Bracket (bpb)	Right White Tortoise Shell Bracket
Bidi Paired Bracket Type (bpt)	Open
East Asian Width (ea)	wide
Hangul Syllable Type (hst)	Not Applicable
ISO 10646 Comment (isc)	—
Joining Group (jg)	No_Joining_Group
Joining Type (jt)	Non Joining
Line Break (lb)	Open Punctuation
Numeric Type (nt)	none
Numeric Value (nv)	not a number
Simple Case Folding (scf)	Left White Tortoise Shell Bracket
Script Extension (scx)	Bopomofo Hangul Han Hiragana Katakana Yi
Vertical Orientation (vo)	Tr