<diputree> <hastemplate>
<b>
This branch
will be a branch template. Other branches can refer to this template with the
<t->
relation.
<diputree>
<hastemplate> <l>
This leaf
will be a leaf template. Other leafs can refer to this template with the
<t->
relation.
<hastemplate>
relation if you want to share
resources (e.g. look&feel) between nodes.