This character is a Other Letter and is mainly used in the Sinhala script. The character is also known as sinhala letter ma.
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+0DB8 forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
The Sinhala script (Sinhala: සිංහල අක්ෂර මාලාව, romanized: Siṁhala Akṣara Mālāva), also known as Sinhalese script, is a writing system used by the Sinhalese people and most Sri Lankans in Sri Lanka and elsewhere to write the Sinhala language as well as the liturgical languages Pali and Sanskrit. The Sinhalese Akṣara Mālāva, one of the Brahmic scripts, is a descendant of the Ancient Indian Brahmi script. It is also related to the Grantha script.
Representations
System
Representation (click value to copy)
Nº
3512
UTF-8
E0 B6 B8
UTF-16
0D B8
UTF-32
00 00 0D B8
URL-Quoted
%E0%B6%B8
HTML hex reference
ම
Wrong windows-1252 Mojibake
ම
alias
sinhala letter ma
Encoding: GB18030 (hex bytes)
81 32 C7 36
RFC 5137
\u'0DB8'
Bash and Zsh inside echo -e
\u0DB8
C and C++
\u0DB8
C#
\u0DB8
CSS
\000DB8
Excel
=UNICHAR(3512)
Go
\u0DB8
JavaScript
\u0DB8
Modern JavaScript since ES6
\u{db8}
JSON
\u0DB8
Java
\u0DB8
Lua
\u{DB8}
Matlab
char(3512)
Perl
"\x{DB8}"
PHP
\u{db8}
PostgreSQL
U&'\0DB8'
PowerShell
`u{DB8}
Python
\u0DB8
Ruby
\u{db8}
Rust
\u{db8}
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