This character is a Nonspacing Mark and is mainly used in the Kharoshthi script. The character is also known as halant.
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+10A3F prohibits a line break before it.
The Wikipedia has the following information about this codepoint:
Kharosthi script (Gāndhārī: 𐨑𐨪𐨆𐨮𐨿𐨛𐨁𐨌𐨫𐨁𐨤𐨁, romanized: kharoṣṭhī lipi), also known as the Gandhari script (𐨒𐨌𐨣𐨿𐨢𐨌𐨪𐨁𐨌𐨫𐨁𐨤𐨁, gāndhārī lipi), was an ancient Indian script used by various peoples from the north-western outskirts of the Indian subcontinent (present-day Pakistan) to Central Asia via Afghanistan. An abugida, it was introduced by the middle of the 3rd century BCE, possibly during the 4th century BCE, and remained in use until it died out in its homeland around the 3rd century CE.
It was also in use in Bactria, the Kushan Empire, Sogdia, and along the Silk Road. There is some evidence it may have survived until the 7th century in Khotan and Niya, both cities in East Turkestan.
Representations
System
Representation (click value to copy)
Nº
68159
UTF-8
F0 90 A8 BF
UTF-16
D8 02 DE 3F
UTF-32
00 01 0A 3F
URL-Quoted
%F0%90%A8%BF
HTML hex reference
𐨿
Wrong windows-1252 Mojibake
â—Œð¨¿
alias
halant
Encoding: GB18030 (hex bytes)
90 32 8B 33
RFC 5137
\u'10A3F'
Bash and Zsh inside echo -e
\U00010A3F
C and C++
\U00010A3F
C#
\U00010A3F
CSS
\010A3F
Excel
=UNICHAR(68159)
Go
\U00010A3F
JavaScript
\uD802\uDE3F
Modern JavaScript since ES6
\u{10a3f}
JSON
\uD802\uDE3F
Java
\uD802\uDE3F
Lua
\u{10A3F}
Matlab
char(68159)
Perl
"\x{10A3F}"
PHP
\u{10a3f}
PostgreSQL
U&'\+010A3F'
PowerShell
`u{10A3F}
Python
\U00010A3F
Ruby
\u{10a3f}
Rust
\u{10a3f}
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