1.19:
-----
 * Improve backend main content markup indents for Styx 4.3

1.18 && 1.2.3 (sidebar):
------------------------
 * Some small fixes to run without errors on startup

1.17:
-----
 * Fix an uninitialized variable check for PHP 8

1.16:
-----
 * Fix a parse error

1.15:
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 * Change to Serendipity Styx 2.x+ backend entry form fieldset markup for consistency

1.14:
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 * Check missing REQUEST url (Request2) switch for
   smarty.inc.php communityrating_serendipity_show()
 * Remove obsolete Smarty security checks

latest: Smarty3 forward compatibility