<?xml version="1.0" encoding="UTF-8"?>
<!ELEMENT stream (object+, sectionname*, link*)>
<!ELEMENT object (ids, ((id, timestamp, attribute*)|remove))>
<!ELEMENT sectionname (ids, desc)>
<!ELEMENT attribute (key, value)>
<!ELEMENT link (sectionsrc, sectiondest, idsrc, iddest)>
<!ELEMENT id (#PCDATA)>
<!ELEMENT ids (#PCDATA)>
<!ELEMENT timestamp (#PCDATA)>
<!ELEMENT desc (#PCDATA)>
<!ELEMENT remove EMPTY>
<!ELEMENT sectionsrc (#PCDATA)>
<!ELEMENT sectiondest (#PCDATA)>
<!ELEMENT idsrc (#PCDATA)>
<!ELEMENT iddest (#PCDATA)>