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U+0658 ARABIC MARK NOON GHUNNA

U+0658 was added to Unicode in version 4.0 (2003). It belongs to the block Arabic in the Basic Multilingual Plane.

This character is a Nonspacing Mark and is mainly used in the Arabic script.

The glyph is not a composition. It has a Neutral East Asian Width. In bidirectional context it acts as Nonspacing Mark and is not mirrored. In text U+0658 behaves as Combining Mark regarding line breaks. It has type Extend for sentence and Extend for word breaks. The Grapheme Cluster Break is Extend.

The Wikipedia has the following information about this codepoint:

A nasal vowel is a vowel that is produced with a lowering of the velum so that air escapes both through nose as well as the mouth. By contrast, oral vowels are vowels without this nasalization. As explained below, nasal vowels that are distinctive or obligatory are of far more linguistic importance than whether or not speakers of a language tend to redundantly nasalize vowels in some instances. Relatively similar languages in the same branch of a language family differ on this point quite frequently throughout the world. (For example, Spanish and Portuguese.)

In most languages, vowels that are adjacent to nasal consonants are produced partially or fully with a lowered velum in a natural process of assimilation and are therefore technically nasal, though few speakers would notice. This is the case in English: vowels preceding nasal consonants are nasalized, but there is no phonemic distinction between nasal and oral vowels (and all vowels are considered phonemically oral). However, the word "huh?" is generally pronounced with a nasal vowel.

In French and Portuguese, by contrast, nasal vowels are phonemes distinct from oral vowels, since words that differ mainly in the nasal or oral quality of a vowel exist. For example, the French words beau /bo/ "beautiful" and bon /bõ/ "good" differ only in that the former is oral and the latter is nasal. (To be more precise, the vowel in bon is slightly more open, leading many dictionaries to transcribe it as /ɔ̃/.) The Portuguese words rim ("kidney") and ri ("he laughs", or "I laughed") differ only in that the former's vowel is nasal. Although loan words exist from French which contain nasal vowels (e.g. "croissant"), there is no expectation that an English speaker would have to nasalize these vowels to the extent French speakers do. Likewise, pronunciation keys in English dictionaries do not always indicate nasalization of French loan words.

Diphthongs can also be nasalized. For example, the Portuguese pronunciation of the city of São Paulo uses the very common nasal diphthong ão (IPA: /ɐ̃w/). Its closest corresponding oral diphthong is au [aw] (found in the word Paulo), and is similar to the English ow, as in now.

Representations

System Representation
1624
UTF-8 D9 98
UTF-16 06 58
UTF-32 00 00 06 58
URL-Quoted %D9%98
HTML-Escape ٘
Wrong windows-1252 Mojibake ٘

Elsewhere

Complete Record

Property Value
Age (age) 4.0
Unicode Name (na) ARABIC MARK NOON GHUNNA
Unicode 1 Name (na1)
Block (blk) Arabic
General Category (gc) Nonspacing Mark
Script (sc) Arabic
Bidirectional Category (bc) Nonspacing Mark
Combining Class (ccc) Above
Decomposition Type (dt) None
Decomposition Mapping (dm) ٘
Lowercase (Lower)
Simple Lowercase Mapping (slc) ٘
Lowercase Mapping (lc) ٘
Uppercase (Upper)
Simple Uppercase Mapping (suc) ٘
Uppercase Mapping (uc) ٘
Simple Titlecase Mapping (stc) ٘
Titlecase Mapping (tc) ٘
Case Folding (cf) ٘
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) ٘
Bidi Paired Bracket Type (bpt) None
Cased (Cased)
Composition Exclusion (CE)
Case Ignorable (CI)
Full Composition Exclusion (Comp_Ex)
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)
Dash (Dash)
Deprecated (Dep)
Default Ignorable Code Point (DI)
Diacritic (Dia)
East Asian Width (ea) Neutral
Extender (Ext)
FC NFKC Closure (FC_NFKC) ٘
Grapheme Cluster Break (GCB) Extend
Grapheme Base (Gr_Base)
Grapheme Extend (Gr_Ext)
Hex Digit (Hex)
Hangul Syllable Type (hst) Not Applicable
Hyphen (Hyphen)
ID Continue (IDC)
Ideographic (Ideo)
ID Start (IDS)
IDS Binary Operator (IDSB)
IDS Trinary Operator and (IDST)
InMC (InMC)
Indic Positional Category (InPC) NA
Indic Syllabic Category (InSC) Other
ISO 10646 Comment (isc)
Joining Group (jg) No_Joining_Group
Join Control (Join_C)
Jamo Short Name (JSN)
Joining Type (jt) Transparent
Line Break (lb) Combining Mark
Logical Order Exception (LOE)
Math (Math)
Noncharacter Code Point (NChar)
NFC Quick Check (NFC_QC) Yes
NFD Quick Check (NFD_QC) Yes
NFKC Casefold (NFKC_CF) ٘
NFKC Quick Check (NFKC_QC) Yes
NFKD Quick Check (NFKD_QC) Yes
Numeric Type (nt) None
Numeric Value (nv) NaN
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)
Pattern Syntax (Pat_Syn)
Pattern White Space (Pat_WS)
Quotation Mark (QMark)
Radical (Radical)
Sentence Break (SB) Extend
Simple Case Folding (scf) ٘
Script Extension (scx) Arabic
Soft Dotted (SD)
STerm (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)