In a case about a leaky recreational vehicle, the question of first impression for the Illinois Supreme Court was whether the unhappy buyers — who didn’t know the RV was porous when they drove it off the dealer’s lot — were entitled to revoke their acceptance, under Section 2-608(1)(b) of the Uniform Commercial Code, without giving the seller a shot at fixing it.Section 608(1) spells out two situations where a buyer is permitted to revoke acceptance of a product that has a defect which substantially …