This character is a Nonspacing Mark and inherits its script property from the preceding character. It is also used in the scripts Grantha, Tamil. The character is also known as vindu.
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+1133B prohibits a line break before it.
The Wikipedia has the following information about this codepoint:
The nuqta (Hindi: ΰ€¨ΰ₯ΰ€ΰ€Όΰ₯ΰ€€ΰ€Ύ, Urdu: ΩΩΨ·Ϋ, romanized: nuqtΔ; sometimes also spelled nukta), is a diacritic mark that was introduced in Devanagari and some other Indic scripts to represent sounds not present in the original scripts. It takes the form of a dot placed below a character. This idea is inspired from the Arabic script; for example, there are some letters in Urdu that share the same basic shape but differ in the placement of dots(s) or nuqta(s) in the Perso-Arabic script: the letter ΨΉ ayn, with the addition of a nuqta on top, becomes the letter ΨΊ gΝhayn.
Representations
System
Representation (click value to copy)
NΒΊ
70459
UTF-8
F0 91 8C BB
UTF-16
D8 04 DF 3B
UTF-32
00 01 13 3B
URL-Quoted
%F0%91%8C%BB
HTML hex reference
𑌻
Wrong windows-1252 Mojibake
Γ’βΕΓ°βΕΒ»
alias
vindu
Encoding: GB18030 (hex bytes)
90 33 F3 33
RFC 5137
\u'1133B'
Bash and Zsh inside echo -e
\U0001133B
C and C++
\U0001133B
C#
\U0001133B
CSS
\01133B
Excel
=UNICHAR(70459)
Go
\U0001133B
JavaScript
\uD804\uDF3B
Modern JavaScript since ES6
\u{1133b}
JSON
\uD804\uDF3B
Java
\uD804\uDF3B
Lua
\u{1133B}
Matlab
char(70459)
Perl
"\x{1133B}"
PHP
\u{1133b}
PostgreSQL
U&'\+01133B'
PowerShell
`u{1133B}
Python
\U0001133B
Ruby
\u{1133b}
Rust
\u{1133b}
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