  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.64.html:1:1]
 1 | <math><annotation-xml><svg>x
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.64.html:1:1]
 1 | <math><annotation-xml><svg>x
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.64.html:1:1]
 1 | <math><annotation-xml><svg>x
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.64.html:1:1]
 1 | <math><annotation-xml><svg>x
   :       ^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.64.html:1:1]
 1 | <math><annotation-xml><svg>x
   :       ^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.64.html:1:1]
 1 | <math><annotation-xml><svg>x
   :                       ^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.64.html:1:1]
 1 | <math><annotation-xml><svg>x
   :                       ^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.64.html:1:1]
 1 | <math><annotation-xml><svg>x
   :                            ^
   `----
  x Text
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.64.html:1:1]
 1 | <math><annotation-xml><svg>x
   :                            ^
   `----
