OT features ▪ For example, to enable ‘pcap’ feature CTFontRef font; CTFontDescriptorRef descriptor = CTFontCopyFontDescriptor(font); CTFontDescriptorRef pcapDescriptor = CTFontDescriptorCreateCopyWithFeature(descriptor, (CFNumberRef)[NSNumber numberWithInt:kLowerCaseType], (CFNumberRef)[NSNumber numberWithInt: kLowerCasePetiteCapsSelector]); CTFontRef pcapFont = CTFontCreateWithFontDescriptor(pcapDescriptor, 0.0, NULL);