NSParagraphStyle hypenationFactor not working
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I'm trying to full justify and allow for hyphenation in an NSAttributedString.  Right now I set the paragraph style using the code:

    NSMutableParagraphStyle *paragraph = [[NSMutableParagraphStyle alloc] init];
    paragraph.alignment = NSTextAlignmentJustified;
    paragraph.hyphenationFactor = 0.5;
    paragraph.lineBreakMode = NSLineBreakByWordWrapping;

This doesn't hyphenate, it just splits words based on how much they fit.  I've also tried NSLineBreakByCharWrapping which ends up being even worse.  Any ideas?  I'm using the iOS 6 libraries.

Thanks,
Pete