  x Document
   ,-[$DIR/tests/iframe_srcdoc/basic/input.html:1:1]
 1 | <html> <body> <p>Test.</p>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/iframe_srcdoc/basic/input.html:1:1]
 1 | <html> <body> <p>Test.</p>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/iframe_srcdoc/basic/input.html:1:1]
 1 | <html> <body> <p>Test.</p>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/iframe_srcdoc/basic/input.html:1:1]
 1 | <html> <body> <p>Test.</p>
   :        ^^^^^^^^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/iframe_srcdoc/basic/input.html:1:1]
 1 | <html> <body> <p>Test.</p>
   :        ^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/iframe_srcdoc/basic/input.html:1:1]
 1 | <html> <body> <p>Test.</p>
   :              ^
   `----
  x Text
   ,-[$DIR/tests/iframe_srcdoc/basic/input.html:1:1]
 1 | <html> <body> <p>Test.</p>
   :              ^
   `----
  x Child
   ,-[$DIR/tests/iframe_srcdoc/basic/input.html:1:1]
 1 | <html> <body> <p>Test.</p>
   :               ^^^^^^^^^^^^
   `----
  x Element
   ,-[$DIR/tests/iframe_srcdoc/basic/input.html:1:1]
 1 | <html> <body> <p>Test.</p>
   :               ^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/iframe_srcdoc/basic/input.html:1:1]
 1 | <html> <body> <p>Test.</p>
   :                  ^^^^^
   `----
  x Text
   ,-[$DIR/tests/iframe_srcdoc/basic/input.html:1:1]
 1 | <html> <body> <p>Test.</p>
   :                  ^^^^^
   `----
