Sorry about the confusion with 3.2 everyone. It does actually work, but I'm sure we'll have to find some ways to improve it so that it's not quite as difficult.
<li ng-repeat="review in product.reviews">
screenshot of solution
Actually I thought maybe the issue was that users were replacing that em dash character with a regular dash, or that there was some other issue with it, but I just tried it even without the dash and it still seems to work.
screenshot of solution passing
Be sure to post the code that you're submitting if it's not working for you. It also might be for a particular browser and OS combination, so be sure to share that too. Thanks for all the feedback!