  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/isindex_dat.0.html:1:1]
 1 | <isindex>
   : ^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/isindex_dat.0.html:1:1]
 1 | <isindex>
   : ^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/isindex_dat.0.html:1:1]
 1 | <isindex>
   : ^^^^^^^^^
   `----
