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SGML
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SGML

computing
Also known as: standard generalized markup language
Written by
David Hemmendinger
Professor Emeritus, Department of Computer Science, Union College, Schenectady, New York. Coeditor of Encyclopedia of Computer Science, 4th ed. (2000).
David Hemmendinger
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Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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History

SGML, an international computer standard for the definition of markup languages; that is, it is a metalanguage. Markup consists of notations called “tags,” which specify the function of a piece of text or how it is to be displayed. SGML emphasizes descriptive markup, in which a tag might be <emphasis>. Such a markup denotes the document function, and it could be interpreted as reverse video on a computer screen, underlining by a typewriter, or italics...

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