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A variable font (VF) is a font file that is able to store a continuous range of design variants. An entire typeface (font family) can be stored in such a file, with an infinite number of fonts available to be sampled. [2] The variable font technology originated in Apple's TrueType GX font variations.
A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and a character entity reference refers to a character by a predefined name. A numeric character reference uses the format &#nnnn; or &#xhhhh; where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form.
To avoid unexpected results, the last font family on the font list should be one of the generic families which are by default always available. In the absence of a font being found, the web browser will use its default font, which may be a user-defined one. Depending on the web browser, a user can in fact override the font defined by the code ...
A Unicode font is a computer font that maps glyphs to code points defined in the Unicode Standard. [8] The vast majority of modern computer fonts use Unicode mappings, even those fonts which only include glyphs for a single writing system , or even only support the basic Latin alphabet .
The Unicode standard does not specify or create any font (), a collection of graphical shapes called glyphs, itself.Rather, it defines the abstract characters as a specific number (known as a code point) and also defines the required changes of shape depending on the context the glyph is used in (e.g., combining characters, precomposed characters and letter-diacritic combinations).
The Adobe Glyph List (AGL) is a mapping of 4,281 glyph names to one or more Unicode characters.Its purpose is to provide an implementation guideline for consumers of fonts (mainly software applications); it lists a variety of standard names that are given to glyphs that correspond to certain Unicode character sequences.
The Unicode Consortium and the ISO/IEC JTC 1/SC 2/WG 2 jointly collaborate on the list of the characters in the Universal Coded Character Set.The Universal Coded Character Set, most commonly called the Universal Character Set (abbr. UCS, official designation: ISO/IEC 10646), is an international standard to map characters, discrete symbols used in natural language, mathematics, music, and other ...
Using fonts with glyph substitution capabilities such as OpenType and TrueTypeGX, Unicode conforming software can substitute the proper glyphs for the same character depending on whether that character appears at the beginning, end, middle of a word or in isolation. Such glyph substitution is also necessary for vertical (top to bottom) text ...