code: def blogurl(parser, token):
      
      if HAS_APP_URLS:
          from fluent_pages.templatetags.appurl_tags import appurl
          return appurl(parser, token)
      else:
          from django.template.defaulttags import url
          return url(parser, token)
docs: Compatibility tag to allow django-fluent-blogs to operate stand-alone.
      Either the app can be hooked in the URLconf directly, or it can be added as a pagetype of django-fluent-pages.
      For the former, URL resolving works via the normal '{% url "viewname" arg1 arg2 %}' syntax.
      For the latter, the URL resolving works via '{% appurl "viewname" arg1 arg2 %}' syntax.