This character is a Nonspacing Mark and is mainly used in the Arabic script. The character is also known as successive kasratan.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Nonspacing Mark. When changing direction it is not mirrored. U+08F2 prohibits a line break before it. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
Nunation (Arabic: تَنوِين, tanwīn), in some Semitic languages such as Literary Arabic, is the addition of one of three vowel diacritics (ḥarakāt) to a noun or adjective.
This is used to indicate the word ends in an alveolar nasal without the addition of the letter nūn. The noun phrase is fully declinable and syntactically unmarked for definiteness, identifiable in speech.
Representations
System
Representation (click value to copy)
Nº
2290
UTF-8
E0 A3 B2
UTF-16
08 F2
UTF-32
00 00 08 F2
URL-Quoted
%E0%A3%B2
HTML hex reference
ࣲ
Wrong windows-1252 Mojibake
◌ࣲ
alias
successive kasratan
Encoding: GB18030 (hex bytes)
81 31 CB 34
RFC 5137
\u'08F2'
Bash and Zsh inside echo -e
\u08F2
C and C++
\u08F2
C#
\u08F2
CSS
\0008F2
Excel
=UNICHAR(2290)
Go
\u08F2
JavaScript
\u08F2
Modern JavaScript since ES6
\u{8f2}
JSON
\u08F2
Java
\u08F2
Lua
\u{8F2}
Matlab
char(2290)
Perl
"\x{8F2}"
PHP
\u{8f2}
PostgreSQL
U&'\08F2'
PowerShell
`u{8F2}
Python
\u08F2
Ruby
\u{8f2}
Rust
\u{8f2}
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