D(node-metadata-equality-string,name:http://www.sleepycat.com/2002/dbxml,=,'book.xml',P(edge-element-presence-none,prefix,section)) P(edge-element-presence-none,prefix,section) D(node-metadata-equality-string,name:http://www.sleepycat.com/2002/dbxml,=,'book.xml',P(node-element-presence-none,=,figure)) P(node-element-presence-none,=,figure)