XmlFile:test.xml
  PsiElement(XML_DOCUMENT)
    PsiElement(XML_PROLOG)
      <empty list>
    XmlTag:a
      XmlToken:XML_START_TAG_START('<')
      XmlToken:XML_NAME('a')
      XmlToken:XML_TAG_END('>')
      XmlTag:b
        XmlToken:XML_START_TAG_START('<')
        XmlToken:XML_NAME('b')
        XmlToken:XML_TAG_END('>')
        XmlTag:c
          XmlToken:XML_START_TAG_START('<')
          XmlToken:XML_NAME('c')
          XmlToken:XML_TAG_END('>')
          PsiErrorElement:Element c is not closed
            <empty list>
        XmlText
          PsiWhiteSpace('\n')
          XmlToken:XML_DATA_CHARACTERS('xxx')
          PsiWhiteSpace(' \n')
          XmlToken:XML_DATA_CHARACTERS('xxxx')
          PsiWhiteSpace('\n')
        XmlTag:
          XmlToken:XML_START_TAG_START('<')
          PsiErrorElement:Tag name expected
            <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('>')