If site charset is windows-1251, headlines (rss) in UTF-8 won't work in your PHP-Nuke site!!!
That is why more russian-spoken sites recodes their sites into windows-1251 (rss) !!!
When Nuke-site is windows-1251 - feeds in utf-8 not working!
Creator, please do something in your next version of Multyheadline !
Otherwise, you lose many users of windows-1251 !!!