This character is a Other Letter and is mainly used in the Old Italic 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+1031F forms with similar adjacent characters prevents a line break inside it. The glyph can be confused with one other glyph.
El Wikipedia tiene la siguiente información acerca de este punto de código:
The Old Italic scripts are a family of ancient writing systems used in the Italian Peninsula between about 700 and 100 BC, for various languages spoken in that time and place. The most notable member is the Etruscan alphabet, which was the immediate ancestor of the Latin alphabet used by more than 100 languages today, including English. The runic alphabets used in Northern Europe are believed to have been separately derived from one of these alphabets by the 2nd century AD.
Representaciones
Sistema
Representación (click value to copy)
N.º
66335
UTF-8
F0 90 8C 9F
UTF-16
D8 00 DF 1F
UTF-32
00 01 03 1F
URL-Quoted
%F0%90%8C%9F
HTML hex reference
𐌟
Mojibake mal de windows-1252
ðŒŸ
Codificación: GB18030 (hexadecimales bytes)
90 30 D0 39
RFC 5137
\u'1031F'
Bash and Zsh inside echo -e
\U0001031F
C and C++
\U0001031F
C#
\U0001031F
CSS
\01031F
Excel
=UNICHAR(66335)
Go
\U0001031F
JavaScript
\uD800\uDF1F
Modern JavaScript since ES6
\u{1031f}
JSON
\uD800\uDF1F
Java
\uD800\uDF1F
Lua
\u{1031F}
Matlab
char(66335)
Perl
"\x{1031F}"
PHP
\u{1031f}
PostgreSQL
U&'\+01031F'
PowerShell
`u{1031F}
Python
\U0001031F
Ruby
\u{1031f}
Rust
\u{1031f}
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