Markup Standards

• HTML5
  HTML 5 Living Standard (WHATWG), (work on-going)
• XHTML 1.0, a reformulation of HTML 4.01 into XML 1.0
  January 2000, revised August 2002
• HTML 4.01, December 1999
• HTML 4.0, December 1997
• HTML 3.2, January 1997
• HTML 2.0, November 1995