Source: Noto Sans

U+035E Combining Double Macron

U+035E was added in Unicode version 4.0 in 2003. It belongs to the block U+0300 to U+036F Combining Diacritical Marks in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Nonspacing Mark and inherits its script property from the preceding character. It is also used in the scripts Caucasian Albanian, Latin, Todrhi.

The glyph is not a composition. Its width in East Asian texts is determined by its context. It can be displayed wide or narrow. In bidirectional text it acts as Nonspacing Mark. When changing direction it is not mirrored. U+035E prohibits a line break around it.

The Wikipedia has the following information about this codepoint:

A macron ( MAK-ron, MAY-) is a diacritical mark: it is a straight bar ¯ placed above a letter, usually a vowel. Its name derives from Ancient Greek μακρόν (makrón) 'long' because it was originally used to mark long or heavy syllables in Greco-Roman metrics. It now more often marks a long vowel. In the International Phonetic Alphabet, the macron is used to indicate a mid-tone; the sign for a long vowel is instead a modified triangular colon ⟨ː⟩.
The opposite is the breve ⟨˘⟩, which marks a short or light syllable or a short vowel.

Representations

System	Representation (click value to copy)
Nº	862
UTF-8	CD 9E
UTF-16	03 5E
UTF-32	00 00 03 5E
URL-Quoted	%CD%9E
HTML hex reference	͞
Wrong windows-1252 Mojibake	â—ŒÍž
Encoding: GB18030 (hex bytes)	81 30 C6 30
AGL: Latin-5	uni035E
RFC 5137	\u'035E'
Bash and Zsh inside `echo -e`	\u035E
C and C++	\u035E
C#	\u035E
CSS	\00035E
Excel	=UNICHAR(862)
Go	\u035E
JavaScript	\u035E
Modern JavaScript since ES6	\u{35e}
JSON	\u035E
Java	\u035E
Lua	\u{35E}
Matlab	char(862)
Perl	"\x{35E}"
PHP	\u{35e}
PostgreSQL	U&'\035E'
PowerShell	`u{35E}
Python	\u035E
Ruby	\u{35e}
Rust	\u{35e}
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Elsewhere

Complete Record

Property	Value
Age (age)	4.0 (2003)
Unicode Name (na)	COMBINING DOUBLE MACRON
Unicode 1 Name (na1)	—
Block (blk)	Combining Diacritical Marks
General Category (gc)	Nonspacing Mark
Script (sc)	Inherited
Bidirectional Category (bc)	Nonspacing Mark
Combining Class (ccc)	Double Above
Decomposition Type (dt)	none
Decomposition Mapping (dm)	Combining Double Macron
Lowercase (Lower)	✘
Simple Lowercase Mapping (slc)	Combining Double Macron
Lowercase Mapping (lc)	Combining Double Macron
Uppercase (Upper)	✘
Simple Uppercase Mapping (suc)	Combining Double Macron
Uppercase Mapping (uc)	Combining Double Macron
Simple Titlecase Mapping (stc)	Combining Double Macron
Titlecase Mapping (tc)	Combining Double Macron
Case Folding (cf)	Combining Double Macron
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)	Combining Double Macron
Grapheme Cluster Break (GCB)	Extend
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)	Extend
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)	Combining Double Macron
NFKC Quick Check (NFKC_QC)	Yes
NFKC_SCF (NFKC_SCF)	Combining Double Macron
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)	Extend
Soft Dotted (SD)	✘
Sentence Terminal (STerm)	✘
Terminal Punctuation (Term)	✘
Unified Ideograph (UIdeo)	✘
Variation Selector (VS)	✘
Word Break (WB)	Extend
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)	Combining Double Macron
Bidi Paired Bracket Type (bpt)	None
East Asian Width (ea)	ambiguous
Hangul Syllable Type (hst)	Not Applicable
ISO 10646 Comment (isc)	—
Joining Group (jg)	No_Joining_Group
Joining Type (jt)	Transparent
Line Break (lb)	Non-breaking (“Glue”)
Numeric Type (nt)	none
Numeric Value (nv)	not a number
Simple Case Folding (scf)	Combining Double Macron
Script Extension (scx)	Caucasian Albanian Latin Todrhi
Vertical Orientation (vo)	R