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In HTML and XML, a numeric character reference refers to a character by its Universal Character Set/Unicode code point, and uses the format: &#xhhhh;. or &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form.
As of 2023, [2] the symbols in the table below will be read in the default configuration of all three major screen readers (JAWS, Apple's VoiceOver, and NVDA). Depending on user-configured verbosity settings, a reader may hear additional characters read aloud or fewer typographic or punctuation characters read aloud.
Web pages authored using HyperText Markup Language may contain multilingual text represented with the Unicode universal character set.Key to the relationship between Unicode and HTML is the relationship between the "document character set", which defines the set of characters that may be present in an HTML document and assigns numbers to them, and the "external character encoding", or "charset ...
An early arrow symbol is found in an illustration of Bernard Forest de Bélidor's treatise L'architecture hydraulique, printed in France in 1737. The arrow is here used to illustrate the direction of the flow of water and of the water wheel's rotation. At about the same time, arrow symbols were used to indicate the flow of rivers in maps. [3]
Beeton, Barbara (1999-06-01), Request for assignment of codes to mathematical and technical symbols that do not appear in Unicode 2.0 or ISO/IEC 10646 L2/99-176R Moore, Lisa (1999-11-04), "Math", Minutes from the joint UTC/L2 meeting in Seattle, June 8-10, 1999
The arrow symbol ↓ may refer to: The downward direction, a relative direction; The keyboard cursor control key, an arrow key; A downwards arrow, a Unicode arrow symbol; Logical NOR, operator which produces a result that is the negation of logical OR; An undefined object, in mathematical well-definition; A mathematical symbol for "approaching ...
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