  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests9_dat.2.html:1:1]
 1 | <!DOCTYPE html><math><mi>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests9_dat.2.html:1:1]
 1 | <!DOCTYPE html><math><mi>
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests9_dat.2.html:1:1]
 1 | <!DOCTYPE html><math><mi>
   : ^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests9_dat.2.html:1:1]
 1 | <!DOCTYPE html><math><mi>
   :                ^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests9_dat.2.html:1:1]
 1 | <!DOCTYPE html><math><mi>
   :                ^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests9_dat.2.html:1:1]
 1 | <!DOCTYPE html><math><mi>
   :                      ^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests9_dat.2.html:1:1]
 1 | <!DOCTYPE html><math><mi>
   :                      ^^^^
   `----
