<?xml version="1.0" encoding="UTF-8"?>
<!ELEMENT license (#PCDATA)>
<!ELEMENT vendor (#PCDATA)>
<!ELEMENT group (#PCDATA)>
<!ELEMENT buildhost (#PCDATA)>
<!ELEMENT header-range EMPTY>
<!ATTLIST header-range start CDATA #REQUIRED
                       end CDATA #REQUIRED>
<!ELEMENT requires (entry)*>
<!ELEMENT provides (entry)*>
<!ELEMENT obsoletes (entry)*>
<!ELEMENT conflicts (entry)*>
<!ELEMENT entry (version)*>
<!ATTLIST entry name CDATA #REQUIRED
                flags CDATA #IMPLIED>
<!ELEMENT version EMPTY>
<!ATTLIST version epoch CDATA #REQUIRED
                  ver CDATA #REQUIRED
                  rel CDATA #REQUIRED>