jdomWriter.startTagNamespaces(0, "element2", new int[] {2}, new String[] {"prefix"});
assertEquals("prefix", jdomWriter.getNamespacePrefix(2));
assertEquals("myns2", jdomWriter.getNamespacePrefix(3));
jdomWriter.closeEmptyTag();
assertEquals("myns1", jdomWriter.getNamespacePrefix(2));
assertEquals("myns2", jdomWriter.getNamespacePrefix(3));
jdomWriter.endTag(0, "element1");