HTML has been in use by the World Wide Web (WWW) global information initiative since 1990. This specification roughly corresponds to the capabilities of HTML in common use prior to June 1994. HTML is an application of ISO Standard 8879:1986 Information Processing Text and Office Systems; Standard Generalized Markup Language (SGML).
The `text/html' Internet Media Type (RFC 1590) and MIME Content Type (RFC 1521) is defined by this specification.
This document is meant to address the issue of the internationalization (i18n, i followed by 18 letters followed by n) of HTML by extending the specification of HTML and giving additional recommendations for proper internationalization support. A foremost consideration is to make sure that HTML remains a valid application of SGML, while enabling its use with all languages of the world.