References about DocTypes From Joomla! Documentation Other languages:English • Nederlands • español • français References about recommended DocTypes: http://www.w3.org/QA/2002/04/valid-dtd-list.html http://www.w3.org/QA/2002/04/Web-Quality http://www.alistapart.com/stories/doctype http://htmlhelp.com/tools/validator/doctype.html http://hsivonen.iki.fi/doctype/ Categories: DocTypeReferenceTemplatesItemised lists