x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests1_dat.53.html:1:1]
 1 | <b id=a><p><b id=b></p></b>TEST
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----

  x Child

  x Element

  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests1_dat.53.html:1:1]
 1 | <b id=a><p><b id=b></p></b>TEST
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----

  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests1_dat.53.html:1:1]
 1 | <b id=a><p><b id=b></p></b>TEST
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----

  x Attribute
   ,-[$DIR/tests/html5lib-tests-fixture/tests1_dat.53.html:1:1]
 1 | <b id=a><p><b id=b></p></b>TEST
   :    ^^^^
   `----

  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests1_dat.53.html:1:1]
 1 | <b id=a><p><b id=b></p></b>TEST
   :         ^^^^^^^^^^^^^^^
   `----

  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests1_dat.53.html:1:1]
 1 | <b id=a><p><b id=b></p></b>TEST
   :         ^^^^^^^^^^^^^^^
   `----

  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests1_dat.53.html:1:1]
 1 | <b id=a><p><b id=b></p></b>TEST
   :            ^^^^^^^^
   `----

  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests1_dat.53.html:1:1]
 1 | <b id=a><p><b id=b></p></b>TEST
   :            ^^^^^^^^
   `----

  x Attribute
   ,-[$DIR/tests/html5lib-tests-fixture/tests1_dat.53.html:1:1]
 1 | <b id=a><p><b id=b></p></b>TEST
   :               ^^^^
   `----

  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests1_dat.53.html:1:1]
 1 | <b id=a><p><b id=b></p></b>TEST
   :                            ^^^^
   `----

  x Text
   ,-[$DIR/tests/html5lib-tests-fixture/tests1_dat.53.html:1:1]
 1 | <b id=a><p><b id=b></p></b>TEST
   :                            ^^^^
   `----