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+1688 forms with similar adjacent characters prevents a line break inside it.
El Wikipedia tiene la siguiente información acerca de este punto de código:
Tinne may refer to:
Tinne (letter), the Irish name of the eighth letter of the Ogham alphabet
16676 Tinne, minor planet
Tinne (name), Germanic female given name
Tinne (surname), Dutch surname
Representaciones
Sistema
Representación (click value to copy)
N.º
5768
UTF-8
E1 9A 88
UTF-16
16 88
UTF-32
00 00 16 88
URL-Quoted
%E1%9A%88
HTML hex reference
ᚈ
Mojibake mal de windows-1252
ᚈ
Codificación: GB18030 (hexadecimales bytes)
81 34 AD 32
RFC 5137
\u'1688'
Bash and Zsh inside echo -e
\u1688
C and C++
\u1688
C#
\u1688
CSS
\001688
Excel
=UNICHAR(5768)
Go
\u1688
JavaScript
\u1688
Modern JavaScript since ES6
\u{1688}
JSON
\u1688
Java
\u1688
Lua
\u{1688}
Matlab
char(5768)
Perl
"\x{1688}"
PHP
\u{1688}
PostgreSQL
U&'\1688'
PowerShell
`u{1688}
Python
\u1688
Ruby
\u{1688}
Rust
\u{1688}
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