if (newVar.getName().equals(oldVar.getName())) {
IValue oldValue = oldVar.getValue();
IValue newValue = newVar.getValue();
// first check only values
if (!oldValue.getValueString().equals(newValue.getValueString())) {
newVar.markChanged();
}
// also check for changed nested variables
if (newValue.hasVariables() && oldValue.hasVariables()) {
updateChangedFields(oldValue.getVariables(), newValue.getVariables());
}