'Load full annotation info for a document from its xml
file. The main element (fullTextAnnotation) contains a \'header\'
element (which we ignore here) and a bunch of \'sentence\'
elements.'

def _handle_fulltextannotation_elt(self, elt):

    info = AttrDict()
    info[u'_type'] = u'fulltext_annotation'
    info[u'sentence'] = []
    for sub in elt:
        if sub.tag.endswith(u'header'):
            continue
        elif sub.tag.endswith(u'sentence'):
            s = self._handle_fulltext_sentence_elt(sub)
            s.doc = info
            info[u'sentence'].append(s)
    return info
