The World Wide Web Consortium has created an SGML working group to build a set of specifications that are easy and straightforward to use. The subset called XML has the advantages of SGML that is extensibility, structure, and validation in a language and is very easy to learn, use and implement than full SGML. XML is fully internationalized for both European and Asian languages, with all conforming processors required to support the Unicode character set in both its UTF-8 and UTF-16 encoding. The language is designed for the quickest possible client-side processing consistent with its primary purpose as an electronic publishing and data interchange format.