  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/doctype01_dat.12.html:1:1]
 1 | <!DOCTYPE potato SYSTEM taco  >Hello
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/doctype01_dat.12.html:1:1]
 1 | <!DOCTYPE potato SYSTEM taco  >Hello
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/doctype01_dat.12.html:1:1]
 1 | <!DOCTYPE potato SYSTEM taco  >Hello
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/doctype01_dat.12.html:1:1]
 1 | <!DOCTYPE potato SYSTEM taco  >Hello
   :                                ^^^^^
   `----
  x Text
   ,-[$DIR/tests/html5lib-tests-fixture/doctype01_dat.12.html:1:1]
 1 | <!DOCTYPE potato SYSTEM taco  >Hello
   :                                ^^^^^
   `----
