PrestaShop/PrestaShop — pull request #2214 by mchelh (2014-10-21 16:07:24+00:00)
Title: [-] Correct down quantity in cart-summary.js

I'm working on a project on prestashop and I found this bug because I need to down quantity by 5 and the function in cart-summary.js work only if you don't specify the qty argument.