Re: Small miscellaneus fixes (Part II)

I wrote:
> ...but arguably the earlier check is close enough that it's silly to assert in the "else" branch, and I'd be okay with just nuking those lines. Another thing that caught my attention is the assumption that unsetting a bit is so expensive that we have to first check if it's set, so we may as well remove "IS_BRACKET(Np->Num)" as well.

The attached is what I mean. I'll commit this this week unless there are objections.