Thanks Tim. I'm not sure if it's exactly the behaviour I want but, as you said above, it is undoubtedly an improvement on what I was doing before, and at near-zero cost.
Documentation already updated :)
Richard
Forum
Question Authors' Forum
Pretests
This forum has a limit to the number of forum postings you can make in a given time period - this is currently set at 5 posting(s) in 1 day