Adobe do not themselves normally post in the forum. Are you
still saying the index highlighting works in RH's own help? I
suspect they are talking about indexes and thinking about searches,
but we'll see.
The site is up and running so I think it was just a temporary
glitch.
Let us know if you do get it working please.
Help others by clicking Correct Answer if the question is answered. Found the answer elsewhere? Share it here. "Upvote" is for useful posts.