diff -r bcba32fd89de -r 6ead333e450d src/HOL/ROOT
--- a/src/HOL/ROOT	Wed Dec 23 23:08:57 2020 +0100
+++ b/src/HOL/ROOT	Wed Dec 23 23:19:09 2020 +0100
@@ -377,6 +377,7 @@
     Author:     Jasmin Blanchette, TU Muenchen
     Copyright   2009
   "
+  options [kodkod_scala]
   sessions "HOL-Library"
   theories [quick_and_dirty] Nitpick_Examples