Just make sure it continues to work with zero elements:
> ({"a", 0, "b"}) * ",";
(1) Result: "a,b"
There's code that counts on this. It's quirky, but convenient on
occasion.
> I have created a patch that makes it do:
> > ({"abc",({65,65,66}),"def"})*"x";
> (1) Result: "abcxAABxdef"
To me it also seems a bit quirky that there would be an implicit cast
from array(int) to string in this particular situation, when the
normal approach is to cast only explicitly. But I don't really mind
that much.
