  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.21.html:1:1]
 1 | <!doctype html><svg><plaintext>a</plaintext>b
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.21.html:1:1]
 1 | <!doctype html><svg><plaintext>a</plaintext>b
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.21.html:1:1]
 1 | <!doctype html><svg><plaintext>a</plaintext>b
   : ^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.21.html:1:1]
 1 | <!doctype html><svg><plaintext>a</plaintext>b
   :                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.21.html:1:1]
 1 | <!doctype html><svg><plaintext>a</plaintext>b
   :                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.21.html:1:1]
 1 | <!doctype html><svg><plaintext>a</plaintext>b
   :                     ^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.21.html:1:1]
 1 | <!doctype html><svg><plaintext>a</plaintext>b
   :                     ^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.21.html:1:1]
 1 | <!doctype html><svg><plaintext>a</plaintext>b
   :                                ^
   `----
  x Text
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.21.html:1:1]
 1 | <!doctype html><svg><plaintext>a</plaintext>b
   :                                ^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.21.html:1:1]
 1 | <!doctype html><svg><plaintext>a</plaintext>b
   :                                             ^
   `----
  x Text
   ,-[$DIR/tests/html5lib-tests-fixture/tests18_dat.21.html:1:1]
 1 | <!doctype html><svg><plaintext>a</plaintext>b
   :                                             ^
   `----
