+# Revision 1.6 2000-02-10 13:44:02 adam
+# Tcl command clock not used if unavailable (Tcl7.4 and earlier).
+#
+# Revision 1.5 2000/01/15 09:18:42 adam
+# Bug fix: some elements where treated as OPTIONAL when they shouldn't.
+#
+# Revision 1.4 1999/12/16 23:36:19 adam