x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.21.html:1:1]
 1 | &#X
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   `----

  x Child

  x Element

  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.21.html:1:1]
 1 | &#X
   : ^^^
   `----

  x Text
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.21.html:1:1]
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   `----