Submitted by michael on Thu, 01/01/2015 - 16:03 URL http://www.alistapart.com/articles/hattrick The acronym element is missing in XHTML 2.0. Internet Explorer 6 ignores the abbr element. JAWS doesn't like dfn. AAA-level compliance requires you to find a solution. Make it work. Tags The acronym element is missing in XHTML 2.0. Internet Explorer 6 ignores the abbr element. JAWS doesn't like dfn. AAA-level compliance requires you to find a solution. Make it work.