Index: rules/base.o_s.part
===================================================================
RCS file: /cvs/xlibs/xkbdesc/rules/base.o_s.part,v
retrieving revision 1.18
diff -u -r1.18 base.o_s.part
--- rules/base.o_s.part	16 Oct 2006 19:27:05 -0000	1.18
+++ rules/base.o_s.part	12 Nov 2006 19:55:11 -0000
@@ -1,5 +1,6 @@
   altwin:menu		=	+altwin(menu)
   altwin:meta_alt	=	+altwin(meta_alt)
+  altwin:ctrl_win	=	+altwin(ctrl_win)
   altwin:meta_win	=	+altwin(meta_win)
   altwin:left_meta_win	=	+altwin(left_meta_win)
   altwin:super_win	=	+altwin(super_win)
Index: rules/base.xml.in
===================================================================
RCS file: /cvs/xlibs/xkbdesc/rules/base.xml.in,v
retrieving revision 1.166
diff -u -r1.166 base.xml.in
--- rules/base.xml.in	2 Nov 2006 20:49:10 -0000	1.166
+++ rules/base.xml.in	12 Nov 2006 19:55:13 -0000
@@ -3316,6 +3316,12 @@
       </option>
       <option>
         <configItem>
+          <name>altwin:ctrl_win</name>
+          <_description>Control is mapped to the Win-keys (and the usual Ctrl keys).</_description>
+        </configItem>
+      </option>
+      <option>
+        <configItem>
           <name>altwin:meta_win</name>
           <_description>Meta is mapped to the Win-keys.</_description>
         </configItem>
Index: symbols/altwin
===================================================================
RCS file: /cvs/xlibs/xkbdesc/symbols/altwin,v
retrieving revision 1.8
diff -u -r1.8 altwin
--- symbols/altwin	9 Oct 2006 21:20:45 -0000	1.8
+++ symbols/altwin	12 Nov 2006 19:55:13 -0000
@@ -10,6 +10,18 @@
 //  modifier_map Mod4	{};
 };
 
+// Control is mapped to the Win-keys (and the usual Ctrl keys).
+// Both Alt keys are Alt.
+partial modifier_keys 
+xkb_symbols "ctrl_win" {
+    key <LALT> {	[ 	Alt_L                   ]	};
+    key <RALT> {	[ 	Alt_R                   ]	};
+    key <LWIN> {	[ 	Control_L		]	};
+    key <RWIN> {	[ 	Control_R		]	};
+    modifier_map Control { <LWIN>, <RWIN> };
+    modifier_map Mod1	{ Alt_L, Alt_R };
+};
+
 partial modifier_keys 
 xkb_symbols "meta_win" {
     key <LALT> {	[ 	Alt_L,	Alt_L		]	};