Added visiting each item of a list as a separate entity before visiting the actual element.
Added visiting each item of a list as a separate entity before
visiting the actual element.

Using that feature, added printing a <__Item> </__Item> tag around
list items.  This is necessary for correctly dealing with not
rendering elements that have already been rendered.


angavrilov/olmar,angavrilov/olmar,angavrilov/olmar,angavrilov/olmar