>> 2) it's not intuitive to me that the query I have given to postifx
>> is conditionally executed. > > And THAT is precisely what the documentation says. And THAT is merely what I was asking to have confirmation of (not sure why that is so difficult)... because it's not intuitive, and also because this fact is IMO buried too deep in the documentation. If you can set up queries but they might get ignored based on a naive scan of the query text, I think it might be good to make a more prominent note of this. But thanks anyway