  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.34.html:1:1]
 1 | <!DOCTYPE html><!-- X
   : ^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.34.html:1:1]
 1 | <!DOCTYPE html><!-- X
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.34.html:1:1]
 1 | <!DOCTYPE html><!-- X
   : ^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.34.html:1:1]
 1 | <!DOCTYPE html><!-- X
   :                ^^^^^^
   `----
  x Comment
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.34.html:1:1]
 1 | <!DOCTYPE html><!-- X
   :                ^^^^^^
   `----
  x Child
  x Element
