This character is a Lowercase Letter and is mainly used in the Latin 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+A777 forms with similar adjacent characters prevents a line break inside it. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
Scribal abbreviations, or sigla (singular: siglum), are abbreviations used by ancient and medieval scribes writing in various languages, including Latin, Greek, Old English and Old Norse.
In modern manuscript editing (substantive and mechanical) sigla are the symbols used to indicate the source manuscript (e.g. variations in text between different such manuscripts).
Representations
System
Representation (click value to copy)
Nº
42871
UTF-8
EA 9D B7
UTF-16
A7 77
UTF-32
00 00 A7 77
URL-Quoted
%EA%9D%B7
HTML hex reference
ꝷ
Wrong windows-1252 Mojibake
ê·
Encoding: GB18030 (hex bytes)
82 36 D9 34
RFC 5137
\u'A777'
Bash and Zsh inside echo -e
\uA777
C and C++
\uA777
C#
\uA777
CSS
\00A777
Excel
=UNICHAR(42871)
Go
\uA777
JavaScript
\uA777
Modern JavaScript since ES6
\u{a777}
JSON
\uA777
Java
\uA777
Lua
\u{A777}
Matlab
char(42871)
Perl
"\x{A777}"
PHP
\u{a777}
PostgreSQL
U&'\A777'
PowerShell
`u{A777}
Python
\uA777
Ruby
\u{a777}
Rust
\u{a777}
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