This character is a Nonspacing Mark and is mainly used in the Arabic script.
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+0614 prohibits a line break before it.
The Wikipedia has the following information about this codepoint:
A pen name or nom-de-plume is a pseudonym (or, in some cases, a variant form of a real name) adopted by an author and printed on the title page or by-line of their works in place of their real name.
A pen name may be used to make the author's name more distinctive, to disguise the author's gender, to distance the author from their other works, to protect the author from retribution for their writings, to merge multiple persons into a single identifiable author, or for any of several reasons related to the marketing or aesthetic presentation of the work.
The author's real identity may be known only to the publisher or may become common knowledge. In some cases, such as those of Elena Ferrante and Torsten Krol, a pen name may preserve an author's long-term anonymity.
Representations
System
Representation (click value to copy)
Nº
1556
UTF-8
D8 94
UTF-16
06 14
UTF-32
00 00 06 14
URL-Quoted
%D8%94
HTML hex reference
ؔ
Wrong windows-1252 Mojibake
◌ؔ
Encoding: GB18030 (hex bytes)
81 31 82 30
RFC 5137
\u'0614'
Bash and Zsh inside echo -e
\u0614
C and C++
\u0614
C#
\u0614
CSS
\000614
Excel
=UNICHAR(1556)
Go
\u0614
JavaScript
\u0614
Modern JavaScript since ES6
\u{614}
JSON
\u0614
Java
\u0614
Lua
\u{614}
Matlab
char(1556)
Perl
"\x{614}"
PHP
\u{614}
PostgreSQL
U&'\0614'
PowerShell
`u{614}
Python
\u0614
Ruby
\u{614}
Rust
\u{614}
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