  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.1.html:1:1]
 1 | <!doctype html><html></p><!--foo-->
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.1.html:1:1]
 1 | <!doctype html><html></p><!--foo-->
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.1.html:1:1]
 1 | <!doctype html><html></p><!--foo-->
   : ^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.1.html:1:1]
 1 | <!doctype html><html></p><!--foo-->
   :                ^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.1.html:1:1]
 1 | <!doctype html><html></p><!--foo-->
   :                ^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.1.html:1:1]
 1 | <!doctype html><html></p><!--foo-->
   :                          ^^^^^^^^^^
   `----
  x Comment
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.1.html:1:1]
 1 | <!doctype html><html></p><!--foo-->
   :                          ^^^^^^^^^^
   `----
  x Child
  x Element
