> I had suspected that's what they were, but never really was sure. Now
> the next question, "Should we rip them out?" No one uses them, and
> they seem to be of very limited usefulness.
>
> I am inclinded to keep them, but I am not sure.
>
Do we have syntax for their creation and is it in the docs?
If not I say just take them out, unless someone can think of a use that
wouldn't be served by normal indexes.
-DEJ