John Graybeal wrote:
> We are writing XML of the form:
>
> <element>
> <required_element/>
> <optional_element1/>
> <optional_element2/>
> </element>
>
> We would like to specify (for example), that there can be only one of required_element, only one of optional_element1, but as many as desired of optional_element2. Plus, we would like to be able to specify the elements in any order.
Since David brought it up ;-} the RELAX NG compact syntax solution would be:
required_element & optional_element1? & optional_element2*
Bob Foster
