This character is a Other Letter and is mainly used in the Ogámico 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+1699 forms with similar adjacent characters prevents a line break inside it.
El Wikipedia tiene la siguiente información acerca de este punto de código:
The forfeda (sing. forfid) are the "additional" letters of the Ogham alphabet, beyond the basic inventory of twenty signs. Their name derives from fid ("wood", a term also used for Ogham letters) and the prefix for- ("additional"). The most important of these are five forfeda which were arranged in their own aicme or class, and were invented in the Old Irish period, several centuries after the peak of Ogham usage. They appear to have represented sounds felt to be missing from the original alphabet, maybe é(o), ó(i), ú(i), p and ch.
Representaciones
Sistema
Representación (click value to copy)
N.º
5785
UTF-8
E1 9A 99
UTF-16
16 99
UTF-32
00 00 16 99
URL-Quoted
%E1%9A%99
HTML hex reference
ᚙ
Mojibake mal de windows-1252
áš™
Codificación: GB18030 (hexadecimales bytes)
81 34 AE 39
RFC 5137
\u'1699'
Bash and Zsh inside echo -e
\u1699
C and C++
\u1699
C#
\u1699
CSS
\001699
Excel
=UNICHAR(5785)
Go
\u1699
JavaScript
\u1699
Modern JavaScript since ES6
\u{1699}
JSON
\u1699
Java
\u1699
Lua
\u{1699}
Matlab
char(5785)
Perl
"\x{1699}"
PHP
\u{1699}
PostgreSQL
U&'\1699'
PowerShell
`u{1699}
Python
\u1699
Ruby
\u{1699}
Rust
\u{1699}
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