  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.74.html:1:1]
 1 | <!doctype html><math></math><frameset><frame>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.74.html:1:1]
 1 | <!doctype html><math></math><frameset><frame>
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.74.html:1:1]
 1 | <!doctype html><math></math><frameset><frame>
   : ^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.74.html:1:1]
 1 | <!doctype html><math></math><frameset><frame>
   :                             ^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.74.html:1:1]
 1 | <!doctype html><math></math><frameset><frame>
   :                             ^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.74.html:1:1]
 1 | <!doctype html><math></math><frameset><frame>
   :                                       ^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.74.html:1:1]
 1 | <!doctype html><math></math><frameset><frame>
   :                                       ^^^^^^^
   `----
