[document web]
++[tree] setsize:2
++++[tree item] name='Animals' indeterminate checkable:true level:1 posinset:1 setsize:2
++++++[link] name='Animals'
++++++++[static] name='Animals'
++++++[panel] setsize:2
++++++++[tree item] name='Domesticated' level:2 posinset:1 setsize:2
++++++++++[link] name='Domesticated'
++++++++++++[static] name='Domesticated'
++++++++++[panel] setsize:2
++++++++++++[tree item] name='Dog' checked checkable:true level:3 posinset:1 setsize:2
++++++++++++++[link] name='Dog'
++++++++++++++++[static] name='Dog'
++++++++++++[tree item] name='Cat' checkable:true level:3 posinset:2 setsize:2
++++++++++++++[link] name='Cat'
++++++++++++++++[static] name='Cat'
++++++++[tree item] name='Wild' level:2 posinset:2 setsize:2
++++++++++[link] name='Wild'
++++++++++++[static] name='Wild'
++++[tree item] name='Plants' level:1 posinset:2 setsize:2
++++++[link] name='Plants'
++++++++[static] name='Plants'