  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.53.html:1:1]
 1 | <math><annotation-xml><div>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.53.html:1:1]
 1 | <math><annotation-xml><div>
   : ^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.53.html:1:1]
 1 | <math><annotation-xml><div>
   : ^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.53.html:1:1]
 1 | <math><annotation-xml><div>
   :       ^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.53.html:1:1]
 1 | <math><annotation-xml><div>
   :       ^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.53.html:1:1]
 1 | <math><annotation-xml><div>
   :                       ^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.53.html:1:1]
 1 | <math><annotation-xml><div>
   :                       ^^^^^
   `----
