  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   : ^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   :                ^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   :                ^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   :                   ^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   :                   ^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   :                         ^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   :                         ^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   :                             ^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   :                             ^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   :                                   ^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   :                                   ^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   :                                       ^
   `----
  x Text
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.83.html:1:1]
 1 | <!doctype html><p><math><mn><span></p>a
   :                                       ^
   `----
