<!– 3.2.3 : 3.2
type and <simpleType> must not both be present
–> <schema xmlns=“www.w3.org/2001/XMLSchema” targetNamespace=“foo” xmlns:foo=“foo”>
<attribute name="bar" type="string"> <simpleType> <restriction base="string"> <maxLength value="20"/> </restriction> </simpleType> </attribute> <element name="foo"/>
</schema>