I just got an email telling me, among other things, that:

“Making a refund?

Refunds are quick and easy. Learn more”

On the “learn more” page, you get this info:

Hmm . . . seems like an awful lot of steps to me. This is one area where PayPal falls really short. Especially in comparison to a true merchant account or Google Checkout, they make refunds really time consuming. Far, far, from easy.