  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.88.html:1:1]
 1 | <!doctype html><html a=b><head></head><html c=d>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.88.html:1:1]
 1 | <!doctype html><html a=b><head></head><html c=d>
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.88.html:1:1]
 1 | <!doctype html><html a=b><head></head><html c=d>
   : ^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.88.html:1:1]
 1 | <!doctype html><html a=b><head></head><html c=d>
   :                ^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.88.html:1:1]
 1 | <!doctype html><html a=b><head></head><html c=d>
   :                ^^^^^^^^^^
   `----
  x Attribute
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.88.html:1:1]
 1 | <!doctype html><html a=b><head></head><html c=d>
   :                      ^^^
   `----
  x Attribute
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.88.html:1:1]
 1 | <!doctype html><html a=b><head></head><html c=d>
   :                                             ^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.88.html:1:1]
 1 | <!doctype html><html a=b><head></head><html c=d>
   :                          ^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests19_dat.88.html:1:1]
 1 | <!doctype html><html a=b><head></head><html c=d>
   :                          ^^^^^^^^^^^^^
   `----
  x Child
  x Element
