x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests6_dat.47.html:1:1]
 1 | <param><frameset></frameset>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----

  x Child

  x Element

  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests6_dat.47.html:1:1]
 1 | <param><frameset></frameset>
   :        ^^^^^^^^^^^^^^^^^^^^^
   `----

  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests6_dat.47.html:1:1]
 1 | <param><frameset></frameset>
   :        ^^^^^^^^^^^^^^^^^^^^^
   `----