  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.79.html:1:1]
 1 | <html> a <frameset></frameset>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.79.html:1:1]
 1 | <html> a <frameset></frameset>
   : ^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.79.html:1:1]
 1 | <html> a <frameset></frameset>
   : ^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.79.html:1:1]
 1 | <html> a <frameset></frameset>
   :        ^^
   `----
  x Text
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.79.html:1:1]
 1 | <html> a <frameset></frameset>
   :        ^^
   `----
