 		  'words) . font-lock-keyword-face)
    ;; SIL Instructions - Reference Counting.
    `(,(regexp-opt '("strong_retain" "strong_retain_autoreleased"
-                    "strong_release" "strong_retain_unowned" "ref_to_unowned"
-                    "unowned_to_ref" "unowned_retain" "unowned_release"
+                    "strong_release" "strong_retain_unowned"
+                    "unowned_retain" "unowned_release"
                     "ref_to_unmanaged" "unmanaged_to_ref"
                     "load_weak" "store_weak" "fix_lifetime" "mark_dependence"
                     "strong_unpin" "strong_pin")

   `(,(regexp-opt '("unreachable" "return" "autorelease_return" "br"
                    "cond_br" "switch_value" "switch_enum"
                    "switch_enum_addr" "dynamic_method_br"
                    "checked_cast_br")
                  'words) . font-lock-keyword-face)
   ;; Blocks
   `(,(regexp-opt '("project_block_storage" "init_block_storage_header"

                    "dynamic_method")
                  'words) . font-lock-keyword-face)
   ;; Function Application
   `(,(regexp-opt '("apply" "partial_apply" "builtin" "try_apply")
		  'words) . font-lock-keyword-face)
   ;; Metatypes
   `(,(regexp-opt '("metatype" "value_metatype"
