#Tickets type:enhancement version:0.9.7
#description:refresh field value from new response
#eg:@validate(schema = FormRegister(), form='index',  post_only=True, on_get=False, refresh_fields=('hexdigest',))
#source:pylons/decorators/__init__.py
#line begin:162


            request.environ['pylons.routes_dict']['action'] = form
            response = self._dispatch_call()
            
            # refresh field value from new response
            if 'refresh_fields' in htmlfill_kwargs:
                for r_f in htmlfill_kwargs['refresh_fields']:
                    if r_f in params:
                        del params[r_f]
                else:
                    del htmlfill_kwargs['refresh_fields']
            
            # XXX: Legacy WSGIResponse support