It's still incomplete (and will be for some time.)

http://www.cs.uidaho.edu:8000/hungry/microshaft/lesstif.html

P.S. I had to comment out the attempt to #include <Xm/VendorS.h> in
<Xm/Xm.h> and add #include <stdio.h> to VirtKeys.c in the March 13
release-of-the-day to get it to build.