  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.2.html:1:1]
 1 | <!doctype html><head></head></p><!--foo-->
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.2.html:1:1]
 1 | <!doctype html><head></head></p><!--foo-->
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.2.html:1:1]
 1 | <!doctype html><head></head></p><!--foo-->
   : ^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.2.html:1:1]
 1 | <!doctype html><head></head></p><!--foo-->
   :                ^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.2.html:1:1]
 1 | <!doctype html><head></head></p><!--foo-->
   :                ^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.2.html:1:1]
 1 | <!doctype html><head></head></p><!--foo-->
   :                                 ^^^^^^^^^^
   `----
  x Comment
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.2.html:1:1]
 1 | <!doctype html><head></head></p><!--foo-->
   :                                 ^^^^^^^^^^
   `----
