This character is a Other Letter and is mainly used in the Limbu script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+191B forms with similar adjacent characters prevents a line break inside it.
El Wikipedia tiene la siguiente información acerca de este punto de código:
The Limbu script (also Sirijanga script) is used to write the Limbu language. It is a Brahmic type abugida.
Representaciones
Sistema
Representación (click value to copy)
N.º
6427
UTF-8
E1 A4 9B
UTF-16
19 1B
UTF-32
00 00 19 1B
URL-Quoted
%E1%A4%9B
HTML hex reference
ᤛ
Mojibake mal de windows-1252
ᤛ
Codificación: GB18030 (hexadecimales bytes)
81 34 EF 31
RFC 5137
\u'191B'
Bash and Zsh inside echo -e
\u191B
C and C++
\u191B
C#
\u191B
CSS
\00191B
Excel
=UNICHAR(6427)
Go
\u191B
JavaScript
\u191B
Modern JavaScript since ES6
\u{191b}
JSON
\u191B
Java
\u191B
Lua
\u{191B}
Matlab
char(6427)
Perl
"\x{191B}"
PHP
\u{191b}
PostgreSQL
U&'\191B'
PowerShell
`u{191B}
Python
\u191B
Ruby
\u{191b}
Rust
\u{191b}
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