parameters: (self, resolver)
docstring: Register an object to resolve external entities.
docstring_summary: Register an object to resolve external entities.
docstring_tokens: Register an object to resolve external entities .
function: def setEntityResolver(self, resolver):
          "Register an object to resolve external entities."
          self._ent_handler = resolver
function_tokens: def setEntityResolver ( self , resolver ) : self . _ent_handler = resolver