'A (nested) section in the content of a MediaWikiArticle.'

def __init__(self, article, title=u'', start=0, stop=0, level=1):

    self.article = article
    self.parent = None
    self.children = []
    self.title = title
    self._start = start
    self._stop = stop
    self._level = level
    self._links = None
    self._tables = None
