XmlFile:test.xml
  PsiElement(XML_DOCUMENT)
    PsiElement(XML_PROLOG)
      <empty list>
    PsiErrorElement:Top level element is not completed
      XmlToken:XML_CHAR_ENTITY_REF('&#xaBcD123;')
    XmlTag:
      PsiErrorElement:Valid XML document must have a root tag
        <empty list>