I can't say for certain which pages had been edited i the premiere support appointment, but it was probably files in the web assist/plugins/shopping_cart folder like:
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.