@@ -64,11 +64,11 @@
 	return *(id*)(void*)((char*)self + offset);
 }
 
 void
 objc_setProperty(id self, SEL _cmd, ptrdiff_t offset, id value, BOOL atomic,
-    BOOL copy)
+    signed char copy)
 {
 	if (atomic) {
 		id *ptr = (id*)(void*)((char*)self + offset);
 #ifdef OF_THREADS
 		unsigned hash = SPINLOCK_HASH(ptr);
@@ -82,15 +82,10 @@
 			switch (copy) {
 			case 0:
 				*ptr = [value retain];
 				break;
 			case 2:
-				/*
-				 * Apple uses this to indicate that the copy
-				 * should be mutable. Please hit them for
-				 * abusing a poor BOOL!
-				 */
 				*ptr = [value mutableCopy];
 				break;
 			default:
 				*ptr = [value copy];
 			}