  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.12.html:1:1]
 1 | <!doctype html><p><button><figcaption>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.12.html:1:1]
 1 | <!doctype html><p><button><figcaption>
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.12.html:1:1]
 1 | <!doctype html><p><button><figcaption>
   : ^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.12.html:1:1]
 1 | <!doctype html><p><button><figcaption>
   :                ^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.12.html:1:1]
 1 | <!doctype html><p><button><figcaption>
   :                ^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.12.html:1:1]
 1 | <!doctype html><p><button><figcaption>
   :                   ^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.12.html:1:1]
 1 | <!doctype html><p><button><figcaption>
   :                   ^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.12.html:1:1]
 1 | <!doctype html><p><button><figcaption>
   :                           ^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests20_dat.12.html:1:1]
 1 | <!doctype html><p><button><figcaption>
   :                           ^^^^^^^^^^^^
   `----
