code: def render(self, name, value, attrs=None, renderer=None):
          
          if not hasattr(self, "editor_manifest"):
              self.editor_manifest = self.init_manifest(self.config_name)
  
          config = self.editor_manifest.get_config(self.config_name)
          if config.get('embed_config'):
              self.embed_config = True
  
          context = self.get_context(name, value, attrs)
  
          return self._render(self.template_name, context, renderer)
docs: Returns this Widget rendered as HTML, as a Unicode string.