<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

<xs:element name="example" >
  <xs:complexType>
    <xs:sequence maxOccurs="unbounded">
       <xs:any />
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="options" type="selectOptions" />

<xs:simpleType name="selectOptions" >
   <xs:restriction base="xs:NMTOKEN">
      <xs:pattern value="strategy" /> 
      <xs:pattern value="tactics" /> 
      <xs:pattern value="other\.\.\." /> 
   </xs:restriction> 
</xs:simpleType>

</xs:schema>
