NSString and character composition

gistfile1.m

- (BOOL)textView:(UITextView *)inTextView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text {
    BOOL retValue = NO;
    NSUInteger newCharCount = [[inTextView text] length] - range.length + [text length];
    NSMutableString *newString = [[inTextView text] mutableCopy];

    [newString appendString:text];

    NSLog(@"newString: [%@]", newString);
    NSLog(@"original newCharCount: %ld", (long)newCharCount);
    newCharCount = [newString length];
    NSLog(@"new newCharCount: %ld", (long)newCharCount);

    if (newCharCount <= self.characterLimit) {
        retValue = YES;
    }

    return retValue;
}