Network Working Group
Request for Comments: 1198
FYI: 6
January 1991

B. Scheifler
MIT Laboratory for Computer Science

FYI on the X Window System

Status of this Memo

This FYI RFC provides pointers to the published standards of the MIT X Consortium. This memo provides information for the Internet community. It does not specify any Internet standard. Distribution of this memo is unlimited.

The following documents are standards of the MIT X Consortium:

X Window System Protocol
X Version 11, Release 4
Robert W. Scheifler

Xlib - C Language X Interface
X Version 11, Release 4
James Gettys, Robert W. Scheifler, Ron Newman

X Toolkit Intrinsics - C Language Interface
X Version 11, Release 4
Joel McCormack, Paul Asente, Ralph R. Swick


Bitmap Distribution Format
Version 2.1


Inter-Client Communication Conventions Manual
Version 1.0
David S. H. Rosenthal


Compound Text Encoding
Version 1.1
Robert W. Scheifler


X Logical Font Description Conventions
Version 1.3
Jim Flowers


X Display Manager Control Protocol
Version 1.0
Keith Packard


X11 Nonrectangular Window Shape Extension
Version 1.0
Keith Packard

The following documents are draft standards of the MIT X Consortium. To become standards, further "proof of concept" is required, in the form of working implementations. The specifications may be subject to incompatible changes if implementation efforts uncover significant problems.


PEX Protocol Specification
Version 4.0P
Randi J. Rost (editor)


Extending X for Double-Buffering, Multi-Buffering, and Stereo
Version 3.2
Jeffrey Friedberg, Larry Seiler, Jeff Vroom

Standards and draft standards of the MIT X Consortium are generally included in the MIT X software distribution. The distribution is usually available via anonymous FTP from a variety of hosts around the world. Questions about FTP sites for the current release can be sent to xrequest@expo.lcs.mit.edu. The distribution can also be ordered on tape from MIT for a nominal charge, contact:


MIT Software Distribution Center
Technology Licensing Office
Room E32-300
77 Massachusetts Avenue
Cambridge, MA 02139
Phone: (617) 258-8330

The MIT X Consortium can be reached by writing to the Director:


Bob Scheifler
MIT X Consortium
Laboratory for Computer Science
545 Technology Square
Cambridge, MA 02139
EMail: rws@expo.lcs.mit.edu

Security Considerations

Security issues are not discussed in this memo.

Author's Address

Bob Scheifler
MIT X Consortium
Laboratory for Computer Science
545 Technology Square
Cambridge, MA 02139
Phone: (617) 253-0628
EMail: rws@expo.lcs.mit.edu