  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests3_dat.12.html:1:1]
 1 | <!DOCTYPE html><HTML><META><HEAD></HEAD></HTML>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests3_dat.12.html:1:1]
 1 | <!DOCTYPE html><HTML><META><HEAD></HEAD></HTML>
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests3_dat.12.html:1:1]
 1 | <!DOCTYPE html><HTML><META><HEAD></HEAD></HTML>
   : ^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests3_dat.12.html:1:1]
 1 | <!DOCTYPE html><HTML><META><HEAD></HEAD></HTML>
   :                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests3_dat.12.html:1:1]
 1 | <!DOCTYPE html><HTML><META><HEAD></HEAD></HTML>
   :                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests3_dat.12.html:1:1]
 1 | <!DOCTYPE html><HTML><META><HEAD></HEAD></HTML>
   :                      ^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests3_dat.12.html:1:1]
 1 | <!DOCTYPE html><HTML><META><HEAD></HEAD></HTML>
   :                      ^^^^^^
   `----
