I have a scatter chart which shows result and margin per project. For the user's best interpretation, I need to highlight the zero line. In additional properties there's a checkbox in most charts, but for scatter there's only a input field which is empty. What values are accepted? I tried everything! I have upgraded to 1.6 sp3 but no new or fixed solution on this.
In the image below the comparisson between bar chart or column chart with the scatter chart setting for highlighting the zero line: