This changes behavior for some inputs as required by the HTML 5 specification https://html.spec.whatwg.org/multipage/parsing.html# numeric-character-reference-end-state Some invalid inputs such as surrogates

This changes behavior for some inputs as required by the HTML 5 specification https://html.spec.whatwg.org/multipage/parsing.html#numeric-character- reference-end-state Some invalid inputs such as surrogates