This character is a Nonspacing Mark and is mainly used in the Hebrew script. The character is also known as shuruq.
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+05BC prohibits a line break before it. The glyph can be confused with 2 other glyphs.
The Wikipedia has the following information about this codepoint:
The Hebrew diacritic U+05BCּHEBREW POINT DAGESH OR MAPIQ can represent:
Dagesh, indicating a modification of the sound of a letter
Mappiq, indicating that the letter He (ה) is to be pronounced as a consonant
Shuruk, a niqqud vowel sign representing the sound [u]
Representations
System
Representation (click value to copy)
Nº
1468
UTF-8
D6 BC
UTF-16
05 BC
UTF-32
00 00 05 BC
URL-Quoted
%D6%BC
HTML hex reference
ּ
Wrong windows-1252 Mojibake
◌ּ
alias
shuruq
Encoding: CP1255 (hex bytes)
CC
Encoding: GB18030 (hex bytes)
81 30 F7 32
Adobe Glyph List
afii57807
Adobe Glyph List
dagesh
Adobe Glyph List
dageshhebrew
RFC 5137
\u'05BC'
Bash and Zsh inside echo -e
\u05BC
C and C++
\u05BC
C#
\u05BC
CSS
\0005BC
Excel
=UNICHAR(1468)
Go
\u05BC
JavaScript
\u05BC
Modern JavaScript since ES6
\u{5bc}
JSON
\u05BC
Java
\u05BC
Lua
\u{5BC}
Matlab
char(1468)
Perl
"\x{5BC}"
PHP
\u{5bc}
PostgreSQL
U&'\05BC'
PowerShell
`u{5BC}
Python
\u05BC
Ruby
\u{5bc}
Rust
\u{5bc}
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