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| | Introduction to Open Type |
 | | OpenType fonts containing PostScript data, such as those in the Adobe Type Library, have an.otf suffix in the font file name, while TrueType-based OpenType fonts have a.ttf file name suffix. |
 | | OpenType significantly simplifies font management and the publishing workflow by ensuring that all of the required glyphs for a document are contained in one cross-platform font file throughout the workflow. |
 | | OpenType fonts may contain more than 65,000 glyphs, which allows a single font file to contain many nonstandard glyphs, such as old-style figures, true small capitals, fractions, swashes, superiors, inferiors, titling letters, contextual and stylistic alternates, and a full range of ligatures. |
| www.adobe.com /uk/type/opentype/index.html (1012 words) |
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