@@ -1157,17 +1157,16 @@
 {
 	[self doesNotRecognizeSelector: _cmd];
 	abort();
 }
 
-+ copyWithZone: (void*)zone
++ copy
 {
-	[self doesNotRecognizeSelector: _cmd];
-	abort();
+	return self;
 }
 
 + mutableCopyWithZone: (void*)zone
 {
 	[self doesNotRecognizeSelector: _cmd];
 	abort();
 }
 @end