uitextviewbug.m

-(void) textViewDidChange:(UITextView *)textView {
    [self updateBarButtonItemState];
    [self _showTextViewCaretPosition:textView];
}

- (void)_showTextViewCaretPosition:(UITextView *)textView {
    CGRect caretRect = [textView caretRectForPosition:self.textView.selectedTextRange.end];
    [self.textView scrollRectToVisible:caretRect animated:NO];
}