  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.78.html:1:1]
 1 | <html>aaa<frameset></frameset>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.78.html:1:1]
 1 | <html>aaa<frameset></frameset>
   : ^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.78.html:1:1]
 1 | <html>aaa<frameset></frameset>
   : ^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.78.html:1:1]
 1 | <html>aaa<frameset></frameset>
   :       ^^^
   `----
  x Text
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.78.html:1:1]
 1 | <html>aaa<frameset></frameset>
   :       ^^^
   `----
