DocsThis document represents the culmination of several years of debate and experiments done under the auspices of the MIT X Consortium font working group. Although this was a group effort, the author remains responsible for any errors or omissions. The protocol presented here was primarily designed by Jim Fulton, Keith Packard, and Bob Scheifler. Special thanks goes to Ned Batchelder, Jim Flowers, and Axel Deininger for their invigorating comments which never failed to make this a better document. Stephen Gildea edited version 2 of this document. Finally, David Lemke deserves great credit for designing and coding the sample implementation.