  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests10_dat.21.html:1:1]
 1 | <!DOCTYPE html><frameset></frameset><svg><g></g><g></g><p><span>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests10_dat.21.html:1:1]
 1 | <!DOCTYPE html><frameset></frameset><svg><g></g><g></g><p><span>
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests10_dat.21.html:1:1]
 1 | <!DOCTYPE html><frameset></frameset><svg><g></g><g></g><p><span>
   : ^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests10_dat.21.html:1:1]
 1 | <!DOCTYPE html><frameset></frameset><svg><g></g><g></g><p><span>
   :                ^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests10_dat.21.html:1:1]
 1 | <!DOCTYPE html><frameset></frameset><svg><g></g><g></g><p><span>
   :                ^^^^^^^^^^^^^^^^^^^^^
   `----
