973         return False

   973         return False

   974 

   974 

   975     def html_content_type(self):

   975     def html_content_type(self):

   976         return 'text/html'

   976         return 'text/html'

   977 

   977 

   981     @deprecated('[3.9] use req.uiprops[rid]')

   978     @deprecated('[3.9] use req.uiprops[rid]')

   982     def external_resource(self, rid, default=_MARKER):

   979     def external_resource(self, rid, default=_MARKER):

   983         """return a path to an external resource, using its identifier

   980         """return a path to an external resource, using its identifier

   984 

   981 

   985         raise `KeyError` if the resource is not defined

   982         raise `KeyError` if the resource is not defined