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But even with this modifications, the wiki module “Wiki Table of Contents” still not working with Cyrillic at all, while similar function in Mediawiki is working with Cirillic (as well as with any other language) in all browsers without any problems. That’s the difference.No more differences in this case, ‘cause Derek just uploaded an updated version of this module (thank you Derek!), with added support for utf8 in headings. Now it’s perfectly working with Cyrillic or any other nonlatin language. 😜