  x Document
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   : ^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   :                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   :                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   :                      ^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   :                      ^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   :                            ^
   `----
  x Text
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   :                            ^
   `----
  x Child
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   :                             ^^^^^
   `----
  x Element
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   :                             ^^^^^
   `----
  x Child
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   :                                 ^
   `----
  x Text
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   :                                 ^
   `----
  x Child
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   :                                  ^^^^
   `----
  x Element
   ,-[$DIR/tests/fixture/element/ruby-1/input.html:1:1]
 1 | <!doctype html><html><ruby>a<rb>b<rt></ruby></html>
   :                                  ^^^^
   `----
