Index: trunk/Ohana/src/relphot/src/args.c
===================================================================
--- trunk/Ohana/src/relphot/src/args.c	(revision 34884)
+++ trunk/Ohana/src/relphot/src/args.c	(revision 34889)
@@ -176,4 +176,11 @@
   }
 
+  SET_MREL_VERSION = 1;
+  if ((N = get_argument (argc, argv, "-set-mrel-version"))) {
+    remove_argument (N, &argc, argv);
+    SET_MREL_VERSION = atof(argv[N]);
+    remove_argument (N, &argc, argv);
+  }
+
   UPDATE = FALSE;
   if ((N = get_argument (argc, argv, "-update"))) {