code: def addChildList(self, cur):
          
          if cur is None: cur__o = None
          else: cur__o = cur._o
          ret = libxml2mod.xmlAddChildList(self._o, cur__o)
          if ret is None:raise treeError('xmlAddChildList() failed')
          __tmp = xmlNode(_obj=ret)
          return __tmp
docs: Add a list of node at the end of the child list of the
             parent merging adjacent TEXT nodes (@cur may be freed)