Decimal Notation in HTML

Punctuation

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Character Notes Code Render
a1 apostrophe typewriter apostrophe ' '
a2 apostrophe-like modifier letter, a glyph ʼ ʼ
a2 apostrophe-like prime - single prime ′ ′
a2 apostrophe-like represented by right single quotes ’ ’
a3 ampersand & &
a3 ampersand heavy serif 🙴 🙴
a3 ampersand gothic 🙲 🙲
a3 ampersand bold 🙳 🙳
a4 asterisk * *
a4 asterisks two aligned vertically ⁑ ⁑
a4 asterisk low ⁎ ⁎
a5 asterism ⁂ ⁂
flower mark punctuation ⁕ ⁕
reference mark ※ ※
caret ‸ ‸
comma , ,
dotted cross ⁜ ⁜
a6 ditto to be used in cjk languages   ѩ ѩ
a6 ditto-like closing double quotes – ”
a6 ditto-like double acute accents ˝ ˝
a0full stop . .
one dot leader &8228; ․
modifier letter colon &42889; ꞉
two dot punctuation &8282; ⁚
tricolon &8285; ⁝
vertical four dots &8286; ⁞
two dot leader &8229; ‥
three dot punctuation &8278; ⁖
two dots over one dot &11818; ⸪
squared four dot &11820; ⸬
one dot over two dots &11819; ⸫
five dot mark &11821; ⸭
four dot mark &8283; ⁛
four dot &8280; ⁘
five dot &8281; ⁙
s0 semicolon reversed &8271; ⁏
s0 z notation type colon &10626; ⦂
s0 colon : :
s0 semicolon &#59; ;
q0 question ? ?
q0 question inverted spanish ¿ ¿
q0 question double ⁇ ⁇
q0 question reversed ⸮ ⸮
q0 question exclamation ⁈ ⁈
q1 exclamation question ⁉ ⁉
q1 exclamation ! !
q1 exclamation inverted spanish ¡ ¡
q1 exclamation double ‼ ‼
q0 interrobang ‽ ‽
q0 interrobang inverted ⸘ ⸘
character tie ⁀ ⁀
paragraph /pilcrow ¶
section § §

⬑ The Comma in Technical Writing

The comma is used to separate thousands in numbers of four or more digits:
There were 88,000 data points.

In some foreign languages the comma indicates the decimal point.
To avoid confusion in technical writing use a thin space   to replace the comma.
There were 88 000 data points.

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Symbols in HTML

Entities, symbols & characters have four methods of reference:
Named, Decimal, Hexadecimal, and Unicode, but only the Decimal form is reliable across browsers and platforms.

To use decimal notation encoded in UTF-8 insert
<meta charset=“utf-8”>
as the first line in the <head> of your document.

UTF-8 Encoding

The name is an acronym of Unicode Transformation Format – 8-bit.
Unicode is an abbreviation of Universal Coded Character Set.
It is a Character encoding capable of encoding all characters,
1, 114, 112 in total.

It is the dominant character encoding for the world wide web, accounting for 88.9% of web pages in April 2017.