This character is a Otro símbolo and is mainly used in the Braille 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+2838 forms with similar adjacent characters prevents a line break inside it.
El Wikipedia tiene la siguiente información acerca de este punto de código:
The Braille pattern dots-456 (⠸) is a 6-dot braille cell with all three right dots raised, or an 8-dot braille cell with the top, upper-middle, and lower-middle right dots raised. It is represented by the Unicode code point U+2838, and in Braille ASCII with the underscore: _.
Representaciones
Sistema
Representación (click value to copy)
N.º
10296
UTF-8
E2 A0 B8
UTF-16
28 38
UTF-32
00 00 28 38
URL-Quoted
%E2%A0%B8
HTML hex reference
⠸
Mojibake mal de windows-1252
â ¸
Codificación: GB18030 (hexadecimales bytes)
81 37 DB 30
RFC 5137
\u'2838'
Bash and Zsh inside echo -e
\u2838
C and C++
\u2838
C#
\u2838
CSS
\002838
Excel
=UNICHAR(10296)
Go
\u2838
JavaScript
\u2838
Modern JavaScript since ES6
\u{2838}
JSON
\u2838
Java
\u2838
Lua
\u{2838}
Matlab
char(10296)
Perl
"\x{2838}"
PHP
\u{2838}
PostgreSQL
U&'\2838'
PowerShell
`u{2838}
Python
\u2838
Ruby
\u{2838}
Rust
\u{2838}
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