[clang-tools-extra] [Clang-doc] Display enum comments in HTML (PR #183085)

[Paul Kirth via cfe-commits]

https://github.com/ilovepi commented:

This is pretty close, modulo some minor tweaks. Thanks for sticking out the review, I think the patch is much better now. 

https://github.com/llvm/llvm-project/pull/183085