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Kenneth Stephen wrote:
> I want to express the following constraint using XML schema :
> An unbounded sequence of (A or B) elements which can contain at
> most n instances of A.
> To illiustrate, I set n = 2. In that case, BABBBBBABBB is valid.
> So is AABB . BABABA is not valid because there are more than 2 A
> elements in it.
No can do. Try Schematron.