[sagarm]

Oh, was your objection specifically to allowing references to following (not just preceding) select list items? Then we're in violent agreement. That would be complicated to implement and confuse users. Definitely not worth it.

[zasdffaa]

I'm against doing anything without checking beforehand whether it's actually going to be worth the effort.

But yes, I'd be far happier doing left-to-right dependencies only, which I can believe (though I still need evidence) it would be of some value.