Dump an HTML node, recursive behaviour,children are printed
           too, and formatting returns/spaces are added.

def htmlNodeDumpOutput(self, doc, cur, encoding):
        """Dump an HTML node, recursive behaviour,children are printed
           too, and formatting returns/spaces are added. """
        if doc is None: doc__o = None
        else: doc__o = doc._o
        if cur is None: cur__o = None
        else: cur__o = cur._o
        libxml2mod.htmlNodeDumpOutput(self._o, doc__o, cur__o, encoding)