Cleans up over 30 problematic characters from your slugs that the original wordpress does not clean: Characters cleaned: ã, â, î, º, þ, ? , á, ä, ”, “, è, é, ê, ë, ì, í, ï, ð, ñ, ò, ó, ô, õ, ö, ø, ù, ú, ü, û, , µ, Examples: http://www.zoso.ro/%E2%80%9Ctoate-problemele-sunt-rezolvate-am-depa%C8%99it-criza%E2%80%9D/ http://www.zoso.ro/toate-problemele-sunt-rezolvate-am-depasit-criza/