787             else:

   787             else:

   788                 default_validator = None

   788                 default_validator = None

   789             validatorclass = self.content_type_validators.get(view.content_type,

   789             validatorclass = self.content_type_validators.get(view.content_type,

   790                                                               default_validator)

   790                                                               default_validator)

   791         if validatorclass is None:

   791         if validatorclass is None:

   793         validator = validatorclass()

   793         validator = validatorclass()

   794         if isinstance(validator, htmlparser.DTDValidator):

   794         if isinstance(validator, htmlparser.DTDValidator):

   795             # XXX remove <canvas> used in progress widget, unknown in html dtd

   795             # XXX remove <canvas> used in progress widget, unknown in html dtd

   796             output = re.sub('<canvas.*?></canvas>', '', output)

   796             output = re.sub('<canvas.*?></canvas>', '', output)

   797         return validator.parse_string(output.strip())

   797         return validator.parse_string(output.strip())