Use capslock as escape

config.mma.def.h

@@ -59,7 +59,7 @@ static const struct xkb_rule_names xkb_rules = {
 	/* example:
 	.options = "ctrl:nocaps",
 	*/
-	.options = "caps:none,compose:rctrl",
+	.options = "caps:escape,compose:rctrl",
 };
 
 static const int repeat_rate = 25;