<!ELEMENT package_set (package*)>
<!ELEMENT package (description?, long_description?, configured?, prefix?, source_available, source_size?, source_location?, build_subdir?, installed, installed_size?, installed_files?)>
<!ATTLIST package name ID #REQUIRED>
<!ELEMENT description (#PCDATA)>
<!ELEMENT long_description (#PCDATA)>
<!ELEMENT configured (#PCDATA)>
<!ELEMENT prefix (#PCDATA)>
<!ELEMENT source_available (#PCDATA)>
<!ELEMENT source_size (#PCDATA)>
<!ELEMENT source_location (#PCDATA)>
<!ELEMENT build_subdir (#PCDATA)>
<!ELEMENT installed (#PCDATA)>
<!ELEMENT installed_size (#PCDATA)>
<!ELEMENT installed_files (file*)>
<!ELEMENT file (#PCDATA)>