A set of codes in a text file that instructs a computer
how to format the file on a printer or video display or how to index and link
its contents. Examples of markup languages are Hypertext Markup LanguageHTML
and Extensible Markup Language XML, which are used in Web pages, and Standard
Generalized Markup Language SGML, which is used for typesetting and desktop
publishing purposes and in electronic
documents. Markup languages of this sort are designed to enable documents and other files to be platform-independent and highly portable between applications. See also HTML, SGML, XML.
documents. Markup languages of this sort are designed to enable documents and other files to be platform-independent and highly portable between applications. See also HTML, SGML, XML.