<content> <rng:choice> <rng:data type="decimal"> <rng:param name="pattern">\.25|\.5|\.75</rng:param> </rng:data> <rng:data type="decimal"> <rng:param name="pattern">[0-9](\.25|\.5|\.75)?</rng:param> </rng:data> <rng:data type="token"> <rng:param name="pattern">full</rng:param> </rng:data> </rng:choice> </content>