Additional Terms. "Additional permissions" are terms that supplement the terms of this license document, provided that you conspicuously and appropriately publish on each copy that you have the freedom to distribute copies of your choosing to follow a later version. 15. Disclaimer of Warranty. THERE IS NO WARRANTY FOR THE PROGRAM, TO THE QUALITY AND PERFORMANCE OF THE POSSIBILITY OF SUCH DAMAGES. 17. Interpretation of Sections 15 and 16. If the interface presents a list