in case I'm missing something, I ask ...
The List function does not appear to handle repeating variables in the same way it handles repeating fields. For example, if $$test = "a" and $$test = "b", then List ( $$test ) yields the ? of ambiguity. List ( $$test; $$test ) will yield a¶b.
Any recourse? (without writing/finding yet another custom function to convert)