  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.15.html:1:1]
 1 | <!doctype html><template><plaintext>a</template>b
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.15.html:1:1]
 1 | <!doctype html><template><plaintext>a</template>b
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.15.html:1:1]
 1 | <!doctype html><template><plaintext>a</template>b
   : ^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.15.html:1:1]
 1 | <!doctype html><template><plaintext>a</template>b
   :                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.15.html:1:1]
 1 | <!doctype html><template><plaintext>a</template>b
   :                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x DocumentFragment
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.15.html:1:1]
 1 | <!doctype html><template><plaintext>a</template>b
   :                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.15.html:1:1]
 1 | <!doctype html><template><plaintext>a</template>b
   :                          ^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.15.html:1:1]
 1 | <!doctype html><template><plaintext>a</template>b
   :                          ^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.15.html:1:1]
 1 | <!doctype html><template><plaintext>a</template>b
   :                                     ^^^^^^^^^^^^^
   `----
  x Text
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.15.html:1:1]
 1 | <!doctype html><template><plaintext>a</template>b
   :                                     ^^^^^^^^^^^^^
   `----
