If order have discount the discount might be on the order both on product and as a total-discount as an article and the double discount is adjusted with roundin so the total amount to pay is right.
It might be this commit that made that the discount is added as a product even if discount already is on product level.
2576951
If order have discount the discount might be on the order both on product and as a total-discount as an article and the double discount is adjusted with roundin so the total amount to pay is right.
It might be this commit that made that the discount is added as a product even if discount already is on product level.
2576951