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+2812 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-25 ( ⠒ ) is a 6-dot braille cell with both middle dots raised, or an 8-dot braille cell with both upper-middle dots raised. It is represented by the Unicode code point U+2812, and in Braille ASCII with the number 3.
Representaciones
Sistema
Representación (click value to copy)
N.º
10258
UTF-8
E2 A0 92
UTF-16
28 12
UTF-32
00 00 28 12
URL-Quoted
%E2%A0%92
HTML hex reference
⠒
Mojibake mal de windows-1252
â ’
Codificación: GB18030 (hexadecimales bytes)
81 37 D7 32
RFC 5137
\u'2812'
Bash and Zsh inside echo -e
\u2812
C and C++
\u2812
C#
\u2812
CSS
\002812
Excel
=UNICHAR(10258)
Go
\u2812
JavaScript
\u2812
Modern JavaScript since ES6
\u{2812}
JSON
\u2812
Java
\u2812
Lua
\u{2812}
Matlab
char(10258)
Perl
"\x{2812}"
PHP
\u{2812}
PostgreSQL
U&'\2812'
PowerShell
`u{2812}
Python
\u2812
Ruby
\u{2812}
Rust
\u{2812}
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