This character is a Nonspacing Mark and is mainly used in the Telugu script. The character is also known as halant (the preferred name).
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Nonspacing Mark. When changing direction it is not mirrored. U+0C4D prohibits a line break before it.
The Wikipedia has the following information about this codepoint:
Virama (Sanskrit: विराम/हलन्त, romanized: virāma/halanta ्) is a Sanskrit phonological concept to suppress the inherent vowel that otherwise occurs with every consonant letter, commonly used as a generic term for a codepoint in Unicode, representing either
halanta, hasanta or explicit virāma, a diacritic in many Brahmic scripts, including the Devanagari and Bengali scripts, or
saṃyuktākṣara (Sanskrit: संयुक्ताक्षर) or implicit virama, a conjunct consonant or ligature.
Unicode schemes of scripts writing Mainland Southeast Asia languages, such as that of Burmese script and of Tibetan script, generally do not group the two functions together.
Representations
System
Representation (click value to copy)
Nº
3149
UTF-8
E0 B1 8D
UTF-16
0C 4D
UTF-32
00 00 0C 4D
URL-Quoted
%E0%B1%8D
HTML hex reference
్
Wrong windows-1252 Mojibake
â—Œà±
alias
halant (the preferred name)
Encoding: GB18030 (hex bytes)
81 32 A3 33
RFC 5137
\u'0C4D'
Bash and Zsh inside echo -e
\u0C4D
C and C++
\u0C4D
C#
\u0C4D
CSS
\000C4D
Excel
=UNICHAR(3149)
Go
\u0C4D
JavaScript
\u0C4D
Modern JavaScript since ES6
\u{c4d}
JSON
\u0C4D
Java
\u0C4D
Lua
\u{C4D}
Matlab
char(3149)
Perl
"\x{C4D}"
PHP
\u{c4d}
PostgreSQL
U&'\0C4D'
PowerShell
`u{C4D}
Python
\u0C4D
Ruby
\u{c4d}
Rust
\u{c4d}
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