  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.37.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.37.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.37.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
   : ^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.37.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
   :                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.37.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
   :                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.37.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
   :                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.37.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
   :                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.37.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
   :                                  ^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.37.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
   :                                  ^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.37.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
   :                                                     ^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.37.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
   :                                                     ^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.37.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
   :                                                                     ^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.37.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
   :                                                                     ^^^^^^^^
   `----
