docs: def analytics(account=None, *args, **kwargs):
      """
      Simple Google Analytics integration.
  
      First looks for an ``account`` parameter. If not supplied, uses
      Django ``GOOGLE_ANALYTICS_ACCOUNT`` setting. If account not set, 
      raises ``TemplateSyntaxError``.
  
      :param account:
          Google Analytics account id to be used.
  
      """
      if not account:
          try:
              account = settings.GOOGLE_ANALYTICS_ACCOUNT
          except:
              raise template.TemplateSyntaxError( 
                      "Analytics account could not found either "
                      "in tag parameters or settings")
      return {'account': account, 'params':kwargs }