XML allows:
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People and computers to search for and exchange scientific/business data,
commercial products, and multilingual products with ease and speed.
Key design principles:
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The eXtended markup language (XML) is a metalanguage -- that is,
a language for describing other languages.
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XML does not have a fixed set of markup tags -- instead,
authors create their own markup language for describing
structured data.
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XML has built-in internationalization (full Unicode) and
platform independence.
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Web page content is separated from presentation -- applications
decide how the data will be displayed.
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