Federal Rule of Evidence 502(d) authorizes orders that say attorney-client and work-product privileges are “not waived by disclosure connected with the litigation pending before the court — in which event the disclosure is also not a waiver in any other federal or state proceeding.” But what if documents covered by a Rule 502(d) order are introduced into evidence when the case goes to trial? If a litigant in another case wants to use those exhibits at trial, are they still protected under Rule 502(d)? And are they …