  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests7_dat.23.html:1:1]
 1 | <!DOCTYPE HTML><html></html>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests7_dat.23.html:1:1]
 1 | <!DOCTYPE HTML><html></html>
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests7_dat.23.html:1:1]
 1 | <!DOCTYPE HTML><html></html>
   : ^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests7_dat.23.html:1:1]
 1 | <!DOCTYPE HTML><html></html>
   :                ^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests7_dat.23.html:1:1]
 1 | <!DOCTYPE HTML><html></html>
   :                ^^^^^^^^^^^^^
   `----
  x Child
  x Element
