Dump an XML node, recursive behaviour, children are printed
          too. Note that @format = 1 provide node indenting only if
          xmlIndentTreeOutput = 1 or xmlKeepBlanksDefault(0) was
           called

def nodeDumpOutput(self, buf, cur, level, format, encoding):
        """Dump an XML node, recursive behaviour, children are printed
          too. Note that @format = 1 provide node indenting only if
          xmlIndentTreeOutput = 1 or xmlKeepBlanksDefault(0) was
           called """
        if buf is None: buf__o = None
        else: buf__o = buf._o
        if cur is None: cur__o = None
        else: cur__o = cur._o
        libxml2mod.xmlNodeDumpOutput(buf__o, self._o, cur__o, level, format, encoding)