spree/spree_paypal_express — pull request #72 by edslocomb (2012-07-16 18:20:02+00:00)
Title: Show Spree SKU in Paypal Express order pipeline / confirmation emails

ActiveMerchant::PaypalExpressGateway does nothing with item[:sku], instead we should set the confusingly-named item[:number] (name corresponds to the underlying Paypal api: https://cms.paypal.com/us/cgi-bin/?cmd=_render-content&content_ID=developer/e_howto_api_ECCustomizing)