http://www.html5code.com/index.php/html-history/
1980: ENQUIRE
(영단어 ENQUIRE가 아니라 명칭이다. - http://en.wikipedia.org/wiki/ENQUIRE)
1989-90: HTML, WORLDWIDEWEB
1991-92: HTML TAGS
1993: HYPERTEXT MARKUP LANGUAGE, HTML+
1994: W3C
1995: HTML 2.0, HTML 3.0 DRAFT
1996: ERB
1997: HTML 3.2, HTML 4.0
1999: HTML 4.01
2000: XHTML 1.0 PUBLISHED
2001: XHTML 1.1 PUBLISHED
2002: XHTML 2.0 WORKING DRAFT
2004-2007: WHATWG
2008: HTML 5.0
... 해석 귀찮아 ..
