Florian Pflug <fgp(at)phlo(dot)org> writes:
> There's a small additional concern, though, which is that there's an
> XPath 2.0 spec out there, and it modifies the type system and data model
> rather heavily. So before we go adding functions, it'd probably be wise
> to check that we're not painting ourselves into a corner.
Good point. Has anybody here looked at that?
regards, tom lane