HtmlFile:test.html
  PsiElement(HTML_DOCUMENT)
    PsiElement(XML_PROLOG)
      <empty list>
    HtmlTag:body
      XmlToken:XML_START_TAG_START('<')
      XmlToken:XML_NAME('body')
      XmlToken:XML_TAG_END('>')
      XmlToken:XML_END_TAG_START('</')
      XmlToken:XML_NAME('BODY')
      XmlToken:XML_TAG_END('>')