The HP widgets (Xw), described in the first edition of Doug Young's book (refs below) This is the first patch after R4. Young, Doug, "Programming with the X Toolkit (3 parts)," UNIX World, vol. 7, no. 1-3, January-March, 1990. This three part tutorial article is based on Young's books on the X Toolkit. Young, Douglas A., X Window Systems Programming and Applications With Xt, Prentice-Hall, 1989. ISBN 0-13-972167-3. An excellent (and currently the only) tutorial on programming with the X Toolkit intrinsics. Exam- ples in this book use the HP widgets, but a Motif edition is scheduled to be released soon.