1  <?xml version="1.0"?>
 2  <D:propertyupdate xmlns:D="http://www.ietf.org/standards/dav/" xmlns:Z="http://www.w3.com/standards/z39.50/">
 3    <D:set>
 4      <D:prop>
 5        <Z:authors>
 6          <Z:Author>Jim Whitehead</Z:Author>
 7          <Z:Author>Roy Fielding</Z:Author>
 8        </Z:authors>
 9      </D:prop>
10    </D:set>
11    <D:remove>
12      <D:prop>
13        <Z:Copyright-Owner/>
14      </D:prop>
15    </D:remove>
16  </D:propertyupdate>