Detect incompatible hls settings

[taviso]

I was interested in trying this plugin out, but I was very confused why it wasn't doing anything. I realized the problem was I have set hls! in my vimrc.

Perhaps detecting that and either toggling it, or printing a notice might be useful?

[Haiz14]

Thks you saved me. It took me just a minute to solve it tyyyyyyyyyyyyyu