  x Noncharacter character reference
   ,-[$DIR/tests/recovery/text/unassigned-charref-novalid/input.html:1:1]
 1 | <!doctype html><meta charset=utf-8><title>&amp;#xfdd0;</title><p>There should be an error.&#xfdd0;
   :                                                                                                  ^
   `----
