  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests26_dat.18.html:1:1]
 1 | <math></p><foo>
   : ^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests26_dat.18.html:1:1]
 1 | <math></p><foo>
   : ^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests26_dat.18.html:1:1]
 1 | <math></p><foo>
   : ^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests26_dat.18.html:1:1]
 1 | <math></p><foo>
   :       ^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests26_dat.18.html:1:1]
 1 | <math></p><foo>
   :       ^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests26_dat.18.html:1:1]
 1 | <math></p><foo>
   :           ^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests26_dat.18.html:1:1]
 1 | <math></p><foo>
   :           ^^^^^
   `----
