> I did *not* push the hunk in citext.sgml, since that was alleging support
> that doesn't actually exist in this patch. To make this work for citext,
> we need to add wrapper functions similar to citext's wrappers for
> regexp_matches. And that in turn means a citext extension version bump,
> which makes it more notationally tedious than I felt like dealing with
> today. I'm bouncing that requirement back to you to produce a separate
> patch for.
It is attached.
