1.1 --- a/ISABELLE_VERSION	Fri Dec 09 12:23:30 2022 +0100
     1.2 +++ b/ISABELLE_VERSION	Fri Dec 09 12:37:26 2022 +0100
     1.3 @@ -1,1 +1,1 @@
     1.4 -1ac2416e8432
     1.5 +6e2383488a55
     1.6 \ No newline at end of file