.. method:: Element.getiterator([tag=None])
Creates a tree iterator with the current element as the root. The iterator
- iterates over this element and all elements below it that match the given tag.
- If tag is ``None`` or ``'*'`` then all elements are iterated over. Returns an
- iterable that provides element objects in document (depth first) order.
+ iterates over this element and all elements below it, in document (depth first)
+ order. If *tag* is not ``None`` or ``'*'``, only elements whose tag equals
+ *tag* are returned from the iterator.
.. method:: Element.insert(index, element)