  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.63.html:1:1]
 1 | <!doctype html><embed><frameset>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.63.html:1:1]
 1 | <!doctype html><embed><frameset>
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.63.html:1:1]
 1 | <!doctype html><embed><frameset>
   : ^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.63.html:1:1]
 1 | <!doctype html><embed><frameset>
   :                ^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.63.html:1:1]
 1 | <!doctype html><embed><frameset>
   :                ^^^^^^^
   `----
