Function notificationEnabled

Determine if notification is enabled for the selected module.

Package: kernel\Xoop
Copyright: (c) 2000-2016 XOOPS Project (www.xoops.org)
License: GPL 2 (http://www.gnu.org/licenses/gpl-2.0.html)
Author: Kazumi Ono (AKA onokazu) http://www.myweb.ne.jp/, http://jp.xoops.org/
Located at nclude/notification_functions.php

Parameters summary
`string`	`$style`	Subscription style: 'block' or 'inline'
`integer`	`$module_id = null`	ID of the module (default current module)

Return value summary
`boolean`	bool