This character is a Nonspacing Mark and inherits its script property from the preceding character. It is also used in the scripts Coptic, Duployan shorthand, Hebrew, Latin, Old Permic, Syriac, Tai Le, Tifinagh, Todrhi. The character is also known as derivative (Newtonian notation).
The glyph is not a composition. Its width in East Asian texts is determined by its context. It can be displayed wide or narrow. In bidirectional text it acts as Nonspacing Mark. When changing direction it is not mirrored. U+0307 prohibits a line break before it. The glyph can be confused with 40 other glyphs.
The Wikipedia has the following information about this codepoint:
When used as a diacritic mark, the term dot refers to the glyphs "combining dot above" (◌̇), and "combining dot below" (◌̣)
which may be combined with some letters of the extended Latin alphabets in use in
a variety of languages. Similar marks are used with other scripts.
Representations
System
Representation (click value to copy)
Nº
775
UTF-8
CC 87
UTF-16
03 07
UTF-32
00 00 03 07
URL-Quoted
%CC%87
HTML hex reference
̇
Wrong windows-1252 Mojibake
◌̇
alias
derivative (Newtonian notation)
Encoding: GB18030 (hex bytes)
81 30 BD 33
LATEX
\.
AGL: Latin-4
uni0307
AGL: Latin-5
uni0307
Adobe Glyph List
dotaccentcmb
RFC 5137
\u'0307'
Bash and Zsh inside echo -e
\u0307
C and C++
\u0307
C#
\u0307
CSS
\000307
Excel
=UNICHAR(775)
Go
\u0307
JavaScript
\u0307
Modern JavaScript since ES6
\u{307}
JSON
\u0307
Java
\u0307
Lua
\u{307}
Matlab
char(775)
Perl
"\x{307}"
PHP
\u{307}
PostgreSQL
U&'\0307'
PowerShell
`u{307}
Python
\u0307
Ruby
\u{307}
Rust
\u{307}
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