Network Working Group Robert W. Scheifler Request for Comments: 1013 June 1987 X WINDOW SYSTEM PROTOCOL, VERSION 11 Alpha Update April 1987 Copyright (c) 1986, 1987 Massachusetts Institute of Technology X Window System is a trademark of M.I.T. Status of this Memo This RFC is distributed to the Internet community for information only. It does not establish an Internet standard. The X window system has been widely reviewed and tested. The internet community is encouraged to experiment with it. Distribution of this memo is unlimited (see copyright notice on page 2). M.I.T.