> I will try to clarify the question. The answer from this
> quiz suggests that
> flexibility can only be achieved by using mixed content
> models. Should I just
> discard this (as Michael Kay suggested) or there is some true
> behind this
> affirmation ?
I would define "high flexibility" as "low cost of changing the sending and
receiving applications when the structure of the message changes". I don't
see how using mixed content contributes to this. But perhaps the examiner
had a different meaning in mind.
Michael Kay
http://www.saxonica.com/
