<xs:schema xmlns:xs='http://www.w3.org/2001/XMLSchema'> | |
<xs:element name='doc'><xs:complexType><xs:attribute name='value'> | |
<xs:simpleType> | |
<xs:restriction base='xs:string'> | |
<xs:pattern value='[a\-[\-\-bc]+'/> | |
</xs:restriction> | |
</xs:simpleType> | |
</xs:attribute></xs:complexType></xs:element></xs:schema> |