docs: def post(self, request, *args, **kwargs):
          """
          Accepts POST requests, and substitute the data in for the page's attributes.
          """
          self.object = self.get_object()
          self.object.content = request.POST['content']
          self.object.title = request.POST['title']
  
          self.object = self._mark_html_fields_as_safe(self.object)
          context = self.get_context_data(object=self.object)
          return self.render_to_response(context, content_type=self.get_mimetype())