This character is a Otro símbolo and is commonly used, that is, in no specific script.
The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. The word that U+1D31D forms with similar adjacent characters prevents a line break inside it.
El Wikipedia tiene la siguiente información acerca de este punto de código:
The Taixuanjing is a divination guide composed by the Confucian writer Yang Xiong (53 BCE – 18 CE) in the decade prior to the fall of the Western Han dynasty. The first draft of this work was completed in 2 BCE; during the Jin dynasty, an otherwise unknown person named Fan Wang (范望) salvaged the text and wrote a commentary on it, from which our text survives today.
Representaciones
Sistema
Representación (click value to copy)
N.º
119581
UTF-8
F0 9D 8C 9D
UTF-16
D8 34 DF 1D
UTF-32
00 01 D3 1D
URL-Quoted
%F0%9D%8C%9D
HTML hex reference
𝌝
Mojibake mal de windows-1252
ðŒ
Codificación: GB18030 (hexadecimales bytes)
94 32 F1 35
RFC 5137
\u'1D31D'
Bash and Zsh inside echo -e
\U0001D31D
C and C++
\U0001D31D
C#
\U0001D31D
CSS
\01D31D
Excel
=UNICHAR(119581)
Go
\U0001D31D
JavaScript
\uD834\uDF1D
Modern JavaScript since ES6
\u{1d31d}
JSON
\uD834\uDF1D
Java
\uD834\uDF1D
Lua
\u{1D31D}
Matlab
char(119581)
Perl
"\x{1D31D}"
PHP
\u{1d31d}
PostgreSQL
U&'\+01D31D'
PowerShell
`u{1D31D}
Python
\U0001D31D
Ruby
\u{1d31d}
Rust
\u{1d31d}
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