  x Document
   ,-[$DIR/tests/recovery/element/math-2/input.html:1:1]
 1 | <!doctype html><math></html>
   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   `----
  x Child
   ,-[$DIR/tests/recovery/element/math-2/input.html:1:1]
 1 | <!doctype html><math></html>
   : ^^^^^^^^^^^^^^^
   `----
  x DocumentType
   ,-[$DIR/tests/recovery/element/math-2/input.html:1:1]
 1 | <!doctype html><math></html>
   : ^^^^^^^^^^^^^^^
   `----
  x Child
  x Element
  x Child
   ,-[$DIR/tests/recovery/element/math-2/input.html:1:1]
 1 | <!doctype html><math></html>
   :                ^^^^^^
   `----
  x Element
   ,-[$DIR/tests/recovery/element/math-2/input.html:1:1]
 1 | <!doctype html><math></html>
   :                ^^^^^^
   `----
