<!ELEMENT numField ( #PCDATA ) >

<!ELEMENT object ( property+ ) >
<!ATTLIST object name NMTOKEN #REQUIRED >

<!ELEMENT property ( #PCDATA ) >
<!ATTLIST property name NMTOKEN #REQUIRED >

<!ELEMENT rec ( numField, stringField, object? ) >
<!ATTLIST rec id NMTOKEN #REQUIRED >

<!ELEMENT stringField ( #PCDATA ) >

<!ELEMENT table ( rec+ ) >

<!ELEMENT xml ( table ) >