This is pretty obvious code, but I thought I'd add it here, cause it makes the addition look a lot cleaner. Replace the code listed above with:
Quote:
{if $cart.coupon_discount ne 0}
<center>A coupon code has already been used on this order</center>
{else}
{if $active_modules.Discount_Coupons ne ""}
{include file="modules/Discount_Coupons/add_coupon.tpl}
{/if}
{/if}
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That's it. Just a few extras. Nothing special.
