diff -Naur x11proto.REF/keysymdef.h x11proto/keysymdef.h
--- x11proto.REF/keysymdef.h	2011-10-14 12:56:08.000000000 +0200
+++ x11proto/keysymdef.h	2011-10-17 22:12:57.000000000 +0200
@@ -413,6 +413,7 @@
 #define XK_dead_invertedbreve            0xfe6d
 #define XK_dead_belowcomma               0xfe6e
 #define XK_dead_currency                 0xfe6f
+#define XK_dead_greek                    0xfe70
 
 /* dead vowels for universal syllable entry */
 #define XK_dead_a                        0xfe80