  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests3_dat.16.html:1:1]
 1 | ,-> <!DOCTYPE html><textarea>
 2 | `-> </textarea>
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests3_dat.16.html:1:1]
 1 | <!DOCTYPE html><textarea>
   : ^^^^^^^^^^^^^^^
 2 | </textarea>
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests3_dat.16.html:1:1]
 1 | <!DOCTYPE html><textarea>
   : ^^^^^^^^^^^^^^^
 2 | </textarea>
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests3_dat.16.html:1:1]
 1 | ,-> <!DOCTYPE html><textarea>
 2 | `-> </textarea>
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests3_dat.16.html:1:1]
 1 | ,-> <!DOCTYPE html><textarea>
 2 | `-> </textarea>
   `----
