<?xml version='1.0' encoding='utf-8'?> 

<!ELEMENT ConfigSpace (Parameter*) >
<!ATTLIST ConfigSpace
          Configuration CDATA #REQUIRED
          Ordering CDATA #IMPLIED
          AngleUnit CDATA #IMPLIED
>

<!ELEMENT Parameter (Rotate | Translate)* >
<!ATTLIST Parameter
          Component CDATA #REQUIRED
>

<!ELEMENT Translate (#PCDATA) >
<!ATTLIST Translate
          Displacement CDATA #REQUIRED
>

<!ELEMENT Rotate (#PCDATA) >
<!ATTLIST Rotate
          Center CDATA #REQUIRED
          Axis CDATA #REQUIRED
          Angle CDATA #REQUIRED
>