* or if they are intermediate nodes (i.e, they have a parent).
* This means, you can easily create trees, but you can never partially
* move or destruct them so far. They're always reduced to minimal form
* if you cut them. This might change later, but so far we didn't need
* partial destruction or the ability to move whole trees. */
* or if they are intermediate nodes (i.e, they have a parent).
* This means, you can easily create trees, but you can never partially
* move or destruct them so far. They're always reduced to minimal form
* if you cut them. This might change later, but so far we didn't need
* partial destruction or the ability to move whole trees. */