<
diputree>
<has>
<l>
<lt>leaf 1</lt>
</l>
<l>
<lt>leaf 2</lt>
</l>
<l>
<lt>leaf 3</lt>
</l>
<l>
<lt>leaf 4</lt>
</l>
<l>
<lt>leaf 5</lt>
</l>
</has>
<has>
<l/>
</has>
</diputree>
<diputree>
<has>
6 <l>
(leaf's)
of which one <l/>
(leaf)
has no label.
<b> (branch)