== Changelog ==

= 3.0 =
* Fixed "Undefined array key “className” in \wp-content\plugins\simpletoc\plugin.php on line 88"

= 2.9 =
* Added: Additional CSS Class(es) are correctly wrapped around the html output.

= 2.8 =
* Added donate link due to demand.

= 2.6 =
* even more robust url sanitization.

= 2.5 =
* removed editor block styles.

= 2.4 =
* Fixed: Handling of German Umlauts in url slugs for older browers.