HtmlFile:test.html
  PsiElement(HTML_DOCUMENT)
    PsiElement(XML_PROLOG)
      <empty list>
    HtmlTag:a
      XmlToken:XML_START_TAG_START('<')
      XmlToken:XML_NAME('a')
      XmlToken:XML_TAG_END('>')
      HtmlTag:b
        XmlToken:XML_START_TAG_START('<')
        XmlToken:XML_NAME('b')
        XmlToken:XML_TAG_END('>')
        HtmlTag:c
          XmlToken:XML_START_TAG_START('<')
          XmlToken:XML_NAME('c')
          XmlToken:XML_TAG_END('>')
          XmlText
            PsiWhiteSpace('\n')
            XmlToken:XML_DATA_CHARACTERS('xxx')
            PsiWhiteSpace(' \n')
            XmlToken:XML_DATA_CHARACTERS('xxxx')
            PsiWhiteSpace('\n')
            XmlToken:XML_DATA_CHARACTERS('<')
          PsiErrorElement:Element c is not closed
            <empty list>
        XmlToken:XML_END_TAG_START('</')
        XmlToken:XML_NAME('b')
        XmlToken:XML_TAG_END('>')
      XmlToken:XML_END_TAG_START('</')
      XmlToken:XML_NAME('a')
      XmlToken:XML_TAG_END('>')