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+28A4 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-36 ( ⠤ ) is a 6-dot braille cell with both bottom dots raised, or an 8-dot braille cell with both lower-middle dots raised. It is represented by the Unicode code point U+2824, and in Braille ASCII with the hyphen: -.
Representaciones
Sistema
Representación (click value to copy)
N.º
10404
UTF-8
E2 A2 A4
UTF-16
28 A4
UTF-32
00 00 28 A4
URL-Quoted
%E2%A2%A4
HTML hex reference
⢤
Mojibake mal de windows-1252
⢤
Codificación: GB18030 (hexadecimales bytes)
81 37 E5 38
RFC 5137
\u'28A4'
Bash and Zsh inside echo -e
\u28A4
C and C++
\u28A4
C#
\u28A4
CSS
\0028A4
Excel
=UNICHAR(10404)
Go
\u28A4
JavaScript
\u28A4
Modern JavaScript since ES6
\u{28a4}
JSON
\u28A4
Java
\u28A4
Lua
\u{28A4}
Matlab
char(10404)
Perl
"\x{28A4}"
PHP
\u{28a4}
PostgreSQL
U&'\28A4'
PowerShell
`u{28A4}
Python
\u28A4
Ruby
\u{28a4}
Rust
\u{28a4}
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