A markup language provides a way to combine a text and extra information about it. The extra information, including structure, layout, or other information, is expressed using markup, which is typically intermingled with the primary text. The best-known markup language in modern use is
HTML (
HyperText Markup Language), one of the foundations of the
World Wide Web. Originally markup was used in the publishing industry in the communication of printed work between authors, editors, and printers.
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