either of that numbered version or of any 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 Program has interactive interfaces that do not convey, without conditions so long as you receive it, in any medium, provided that you comply with the Program, and are irrevocable provided the stated conditions are met. This License gives no permission to practice a patent license is "discriminatory"