jigoshop/jigoshop — pull request #684 by Xethron (2012-09-18 14:11:35+00:00)
Title: Added 'select' type for checkout_form_field to add custom select support to Billing and Shipping checkout fields.

Plugins can now add a "select" field using "jigoshop_billing_fields" and "jigoshop_shipping_fields"