+** Revision 1.6 2000/05/24 22:48:17 kevin
+** First functional version of SDF library for X-window
+**
+** Revision 1.5 2000/05/11 01:04:44 kevin
+** Added Microsoft Windows compatibility
+**
+** Revision 1.4 2000/05/03 19:51:41 kevin
+** function renaming for phantoms and phantom elements
+**