Thanks for the reply (I enjoy your books by the way 🙂

No it's not that.. but rather an addon (or maybe even a setting I'm missing) which allows...

oops... I'm sure I can be forgiven, to be honest at the time I posted this I'm just happy to find its...

Thanks,

Setting the column to a specified value in the function does seem to make sense, I suppose it's giving the compiler more hints that data should be output, in...