It seems that the `defer_js` option must be enabled if the `abc-ui` library needs to be used.  However, some plugins (e.g. `Indexmenu`) require the `defer_js` option to be disabled.  _**Thus, it becomes a matter of choice.**_
It seems that the
defer_jsoption must be enabled if theabc-uilibrary needs to be used.However, some plugins (e.g.
Indexmenu) require thedefer_jsoption to be disabled.Thus, it becomes a matter of choice.