code: def dtdQAttrDesc(self, elem, name, prefix):
          
          ret = libxml2mod.xmlGetDtdQAttrDesc(self._o, elem, name, prefix)
          if ret is None:raise treeError('xmlGetDtdQAttrDesc() failed')
          __tmp = xmlAttribute(_obj=ret)
          return __tmp
docs: Search the DTD for the description of this qualified
             attribute on this element.