iphone - NSFetchedResultsController sectionIndexTitles wrong not english letters -


i have data base of artists russian names on russian language.
following method show correct russian letter

- (nsstring *)tableview:(uitableview *)tableview titleforheaderinsection:(nsinteger)section {     id <nsfetchedresultssectioninfo> sectioninfo = [[self.fetchedresultscontroller sections] objectatindex:section];     return [sectioninfo name]; }

but when want show index line:

- (nsarray *)sectionindextitlesfortableview:(uitableview *)tableview {     return [self.fetchedresultscontroller sectionindextitles]; }

section letters "?" how fix this?

need subclass nsfetchedresultscontroller override - (nsstring *)sectionindextitleforsectionname:(nsstring *)sectionname { //or substring return sectionname; }


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