--- rules/base.orig	2007-07-11 19:57:29.000000000 -0300
+++ rules/base	2007-12-24 11:31:17.000000000 -0200
@@ -810,6 +810,7 @@
   caps:capslock		=	+capslock(capslock)
   caps:shiftlock	=	+capslock(shiftlock)
   caps:grouplock	=	+capslock(grouplock)
+  caps:swapescape	=	+capslock(swapescape)
   ctrl:nocaps		=	+ctrl(nocaps)
   ctrl:swapcaps		=	+ctrl(swapcaps)
   ctrl:ctrl_ac		=	+ctrl(ctrl_ac)
--- symbols/capslock.orig	2004-10-09 14:31:42.000000000 -0300
+++ symbols/capslock	2007-12-26 12:38:49.000000000 -0200
@@ -17,3 +17,8 @@
     key <CAPS> {	[	ISO_Next_Group,	Caps_Lock	]	};
 };
 
+partial hidden modifier_keys
+xkb_symbols "swapescape" {
+    key <CAPS> {        [       Escape  ]       };
+    key <ESC>  {        [     Caps_Lock    ]       };
+};