  x Document
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.38.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option><optgroup>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.38.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option><optgroup>
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.38.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option><optgroup>
   : ^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.38.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option><optgroup>
   :                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.38.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option><optgroup>
   :                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.38.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option><optgroup>
   :                        ^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.38.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option><optgroup>
   :                        ^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.38.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option><optgroup>
   :                                  ^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.38.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option><optgroup>
   :                                  ^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.38.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option><optgroup>
   :                                          ^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/html5lib-tests-fixture/tests2_dat.38.html:1:1]
 1 | <!DOCTYPE html><select><optgroup><option><optgroup>
   :                                          ^^^^^^^^^^
   `----
