woothemes/woocommerce — pull request #5293 by corsonr (2014-04-08 08:22:55+00:00)
Title: Added "duplicate coupon" feature based on "duplicate product" functions

Adds a "duplicate" link on coupons page below each coupon title to duplicate in one click a coupon. Code is based on the "duplicate product" functions and adapted to coupons. The duplicated coupon's title is the coupon's title plus a (copy) suffix.