  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests10_dat.43.html:1:1]
 1 | <math><mo><mglyph>
   : ^^^^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests10_dat.43.html:1:1]
 1 | <math><mo><mglyph>
   : ^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests10_dat.43.html:1:1]
 1 | <math><mo><mglyph>
   : ^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests10_dat.43.html:1:1]
 1 | <math><mo><mglyph>
   :       ^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests10_dat.43.html:1:1]
 1 | <math><mo><mglyph>
   :       ^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests10_dat.43.html:1:1]
 1 | <math><mo><mglyph>
   :           ^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests10_dat.43.html:1:1]
 1 | <math><mo><mglyph>
   :           ^^^^^^^^
   `----
