[chrismorgan]

Corroborating this to some extent, the “HTML” and “lite” versions works fine in both cases:

https://html.duckduckgo.com/html/?q=notepad

https://html.duckduckgo.com/html/?q=c%2B%2B

https://lite.duckduckgo.com/lite/?q=notepad

https://lite.duckduckgo.com/lite/?q=c%2B%2B