DT and DD can be allowed inside a DIV if it’s a child of a DL

[SpikyC]

https://caninclude.glitch.me/caninclude?child=dt&parent=div
https://caninclude.glitch.me/caninclude?child=dd&parent=div

Instead of “No, you can't!” showing up, it should be either “Doubt?!” or something else that indicate that it is possible under some conditions.