static public void UpdateQuestions(Racr.AstNode n) {
switch (n.NodeType()) {
case "Form":
case "Group":
foreach (var c in n.GetBody().Children()) UpdateQuestions(c as Racr.AstNode);
break;
case "ComputedQuestion":
break;
default:
(n.Widget() as Widget).Set(n.Value());
break;
}
}
