>>>>> Thanks for the hint! It's good for me, but rather not for common users :)
+>>>>>> Interesting... I have another result:
+>>>>>>
+>>>>>> perl -MIkiWiki -le 'print IkiWiki::titlepage(shift).".mdwn"' "Błąd"
+>>>>>> B__179____177__d.mdwn
+>>>>>>
+>>>>>> What's your locale? I have both pl\_PL (ISO-8859-2) and pl\_PL.UTF-8,
+>>>>>> but I use pl\_PL. Is it wrong? --Pawel
+
>>>> Now, as to UTF7, in retrospect, using a standard encoding might be a
>>>> better idea than coming up with my own encoding for filenames. Can
>>>> you provide a pointer to a description to modified-UTF7? --[[Joey]]