# File lib/html5/liberalxmlparser.rb, line 105
    def insert_html_element
      element = @tree.createElement("html", {'xmlns' => 'http://www.w3.org/1999/xhtml'})
      @tree.open_elements.push(element)
      @tree.document.appendChild(element)
      @parser.phase = @parser.phases[:beforeHead]
    end