anchor.diff:                          name="convert-group"
                           minOccurs="0"
                           maxOccurs="unbounded"/>
  -            <xs:element type="map:container-element-typeType"
  +            <xs:element type="map:containerElementTypeType"
                           name="container-element-type"
                           minOccurs="0"
                           maxOccurs="unbounded"/>
  
positive.code:                         name="convert-group"
                          minOccurs="0"
                          maxOccurs="unbounded"/>
              <xs:element type="map:container-element-typeType"
                          name="container-element-type"
                          minOccurs="0"
                          maxOccurs="unbounded"/>
  
negative.code:         </xs:sequence>
          <xs:attribute type="xs:string" name="name" use="required"/>
      </xs:complexType>
      <xs:complexType name="containerElementTypeType">
          <xs:sequence>
              <xs:element type="xs:string" name="valid" minOccurs="0" fixed=""/>
              <xs:element type="map:groupConversionType"
                          name="convert-group"
                          minOccurs="0"
                          maxOccurs="unbounded"/>
              <xs:element type="map:constraintType"
                          name="constraint"
                          maxOccurs="unbounded"
                          minOccurs="0"/>
              <xs:element type="map:containerElementTypeType"
                          name="container-element-type"
                          maxOccurs="unbounded"
                          minOccurs="0"/>
  