Index: generic/xotclInt.h
===================================================================
diff -u -r54346e996575a3c1295e4a36c07fd490e63bc5a6 -rcedbcd6a70c433f37525ad01e254895b600db08b
--- generic/xotclInt.h	(.../xotclInt.h)	(revision 54346e996575a3c1295e4a36c07fd490e63bc5a6)
+++ generic/xotclInt.h	(.../xotclInt.h)	(revision cedbcd6a70c433f37525ad01e254895b600db08b)
@@ -494,8 +494,8 @@
 typedef struct XOTclClassOpt {
   XOTclCmdList* instfilters;
   XOTclCmdList* instmixins;
-  XOTclCmdList* mixinofs;
-  XOTclCmdList* instmixinofs;
+  XOTclCmdList* isObjectMixinOf;
+  XOTclCmdList* isClassMixinOf;
   XOTclAssertionStore *assertions;
   Tcl_Obj* parameterClass;
 #ifdef XOTCL_OBJECTDATA