def from_xml(self, node, doc):
self.type = node.nodeName
for c in node.childNodes:
if c.nodeType == c.ELEMENT_NODE:
if is_phrase_type( c.nodeName ):
p = Phrase()
p.from_xml( c, doc )
self.children.append( p )
elif is_pos_type( c.nodeName ):
w = Word()
w.from_xml( c, doc )
self.words.append( w )
