This character is a Nonspacing Mark and inherits its script property from the preceding character.
The glyph is not a composition. Its width in East Asian texts is determined by its context. It can be displayed wide or narrow. In bidirectional text it acts as Nonspacing Mark. When changing direction it is not mirrored. U+E010A prohibits a line break before it.
The Wikipedia has the following information about this codepoint:
Variation Selectors Supplement is a Unicode block containing additional variation selectors beyond those found in the Variation Selectors block.
These combining characters are named variation selector-17 (for U+E0100) through to variation selector-256 (U+E01EF), abbreviated VS17 – VS256.
As of 12 December 2017, VS17 (U+E0100) to VS48 (U+E011F) are used in ideographic variation sequences in the Unicode Ideographic Variation Database (IVD). These selectors are known as Ideographic Variation Selectors (IVS). They are not listed in the list of standardized variation sequence, instead they are listed in another Ideographic Variation Database.
Representations
System
Representation (click value to copy)
Nº
917770
UTF-8
F3 A0 84 8A
UTF-16
DB 40 DD 0A
UTF-32
00 0E 01 0A
URL-Quoted
%F3%A0%84%8A
HTML hex reference
󠄊
Wrong windows-1252 Mojibake
â—Œó „Š
abbreviation
VS27
Encoding: GB18030 (hex bytes)
D3 36 B0 34
RFC 5137
\u'E010A'
Bash and Zsh inside echo -e
\U000E010A
C and C++
\U000E010A
C#
\U000E010A
CSS
\0E010A
Excel
=UNICHAR(917770)
Go
\U000E010A
JavaScript
\uDB40\uDD0A
Modern JavaScript since ES6
\u{e010a}
JSON
\uDB40\uDD0A
Java
\uDB40\uDD0A
Lua
\u{E010A}
Matlab
char(917770)
Perl
"\x{E010A}"
PHP
\u{e010a}
PostgreSQL
U&'\+0E010A'
PowerShell
`u{E010A}
Python
\U000E010A
Ruby
\u{e010a}
Rust
\u{e010a}
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