def __init__(self, doc, parent, position):
"""
:param doc: the document this paragraph belongs to
:param parent: the parent object in the hierarchy
:param position: the actual location of this item
"""
#str.__init__(self)
Node.__init__(self, self.__class__.__name__, parent=parent)
Location.__init__(self, doc, position)
#self.doc=doc
self.parent = parent
self._dataProvider = None # actual data this comes from
#self.location=None # start and end character location within self.dataProvider
self._words = None # a cache
self._sentences = None # a cache
self._paragraphs = None # a cache
self.include = True # use this to skip a doc frag when compiling document
