--- libaitsync/inc/defs.h	2012/11/13 13:53:14	1.3.2.3
+++ libaitsync/inc/defs.h	2012/11/13 13:58:39	1.3.2.4
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: defs.h,v 1.3.2.3 2012/11/13 13:53:14 misho Exp $
+* $Id: defs.h,v 1.3.2.4 2012/11/13 13:58:39 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -50,6 +50,10 @@ SUCH DAMAGE.
 #ifndef STRSIZ
 #define STRSIZ		256
 #endif
+
+#define DIFF_D0		'='
+#define DIFF_D1		'-'
+#define DIFF_D2		'+'
 
 #define CHUNK_MAX	4096
 #define DLTSYNC_MAGIC	0xDEBAC0DA