Thank you for the post, ST, very very interesting one.
(As I am using this feature for the first time, I just created a FT and was looking in to the detailed information using sp_help, there are several constraints and the associated constraint_key under it has very non-easy understandable rules)
ww; Raghu
--
The first and the hardest SQL statement I have wrote- "select * from customers" - and I was happy and felt smart.