"Discount Coupon" does not appear in the list of Order Total modules under Modules > Order Total in the admin section.
I've doubled checked that
catalog/includes/modules/order_total/ot_discount_coupon.php
catalog/includes/languages/english/modules/order_total/ot_discount_coupon.php
are on their respective folders.
An still Discount Coupon does not appear.
I'm on oscommerce 2.3.1, and using the respective Patches.
v3.34 SPPC Mod 18 Feb 2011
v3.34 SPPC Mod 17 Feb 2011
v3.34 Admin SpiffyCal 17 Feb 2011
Discount Coupon Codes 3.34 for osc 2.31 26 Nov 2010