code: def follow_all_url(parser, token):
      
      bits = token.split_contents()
      if len(bits) > 3:
          raise TemplateSyntaxError(
              "Accepted format {% follow_all_url [instance] %} or {% follow_url [instance] [flag] %}"
          )
      elif len(bits) == 2:
          return DisplayActivityFollowUrl(bits[1], actor_only=False)
      else:
          flag = bits[2][1:-1]
          return DisplayActivityFollowUrl(bits[1], actor_only=False, flag=flag)
docs: Renders the URL to follow an object as both actor and target
  
      ::
  
          <a href="{% follow_all_url other_user %}">
              {% if request.user|is_following:other_user %}
                  stop following
              {% else %}
                  follow
              {% endif %}
          </a>
  
          <a href="{% follow_all_url other_user 'watching' %}">
              {% is_following user group "watching" as is_watching %}
              {% if is_watching %}
                  stop watching
              {% else %}
                  watch
              {% endif %}
          </a>