Index: xotcl/generic/xotcl.h
===================================================================
diff -u -r1aa7246cc8e44078c9dbd33e03992478615f314f -r57972e5a2972b1eb5dd63f6e3d483670117feebf
--- xotcl/generic/xotcl.h	(.../xotcl.h)	(revision 1aa7246cc8e44078c9dbd33e03992478615f314f)
+++ xotcl/generic/xotcl.h	(.../xotcl.h)	(revision 57972e5a2972b1eb5dd63f6e3d483670117feebf)
@@ -1,6 +1,6 @@
 /* -*- Mode: c++ -*-
  *
- *  $Id: xotcl.h,v 1.11 2006/09/27 08:12:40 neumann Exp $
+ *  $Id: xotcl.h,v 1.12 2007/09/05 19:09:23 neumann Exp $
  *  
  *  Extended Object Tcl (XOTcl)
  *
@@ -54,6 +54,7 @@
 */
 #define NDEBUG 1
 
+
 /* activate/deacticate memory tracing 
 #define XOTCL_MEM_TRACE 1
 #define XOTCL_MEM_COUNT 1
@@ -129,6 +130,14 @@
 # define PRE85
 #endif
 
+#if !defined(FORWARD_COMPATIBLE)
+# if defined(PRE85)
+#  define FORWARD_COMPATIBLE 1
+# else
+#  define FORWARD_COMPATIBLE 0
+# endif
+#endif
+
 #define XOTCL_NONLEAF_METHOD (ClientData)0x01
 
 /*