\& .sp 1 .ce 1 \s+1\fBAcknowledgements\fP\s-1 .sp 2 .nr H1 0 .nr H2 0 .nr H3 0 .nr H4 0 .nr H5 0 .na .LP .LP On behalf of the MIT X Consortium, we gratefully acknowledge and give thanks to the many who have participated in the design, definition and implementation of PEXlib. .sp To Digital Equipment Corporation and Sony Microsystems, Inc., we give thanks for their generous donation of prototypical implementations to the MIT X Consortium for use in this effort. And to SHOGraphics and International Business Machines, thanks for donation of additional implementation effort. And last, but certainly not least, to Ralph Mor (X Consortium), thanks for completing the PEXlib sample implementation. .sp Also to Digital Equipment Corporation, thanks for their contribution of initial documentation which was leveraged in producing this document. .sp Thanks to Tom Gaskins (Sound Software Design) and Jan Hardenbergh (Oki Advanced Products Division) for their work in defining the utilities in \fIChapter 16\fP. .sp Thanks to the many who provided timely review of document drafts, including Tom Gaskins (Sound Software Design), Ralph Mor (X Consortium), Bob Scheifler (Director of the X Consortium), John Waitz (Hewlett-Packard Co.) and many others. .sp Finally, we acknowledge the contribution of those involved in the design and definition of the PEX protocol, without which, PEXlib would not exist. .bp \ '\" '\" Initialize page number and headers for PEXlib document '\" .nr % 0 .EH '''' .OH '''' .EF ''- % -'' .OF ''- % -'' .bp