There was even a polyglot (X)HTML 5 which I always found genius - there are many more XML parsers than HTML5 parsers in the world. https://www.w3.org/TR/html-p

There was even a polyglot (X)HTML 5 which I always found genius - there are many more XML parsers than HTML5 parsers in the world. https://www.w3.org/TR/html-polyglot/ https://www.w3.org/TR/html-polyglot/