#define MetaMask 0x0100
#define NumLockMask 0x0200
#define AppKeypadMask 0x0400
+#define Level3Mask 0x0800 // currently not supported
#define OtherModMask (ShiftMask | LockMask | ControlMask \
| Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask)
-#if (OtherModMask & (MetaMask | NumLockMask | AppKeypadMask)) != 0
-# error FATAL: MetaMask, NumLockMask and/or AppKeypadMask clashes with X modifiers!
+#if OtherModMask > 0xff
+# error FATAL: X modifiers might clash with rxvt-unicode ones
#endif
struct rxvt_term;