  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/webkit02_dat.0.html:1:1]
 1 | <foo bar=qux/>
   : ^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/webkit02_dat.0.html:1:1]
 1 | <foo bar=qux/>
   : ^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/webkit02_dat.0.html:1:1]
 1 | <foo bar=qux/>
   : ^^^^^^^^^^^^^^
   `----
  x Attribute
   ,-[$DIR/tests/html5lib-tests-fixture/webkit02_dat.0.html:1:1]
 1 | <foo bar=qux/>
   :      ^^^^^^^^
   `----
