--- a/src/Pure/General/table.ML Tue Aug 20 09:48:22 2019 +0200 +++ b/src/Pure/General/table.ML Tue Aug 20 11:01:05 2019 +0200 @@ -8,7 +8,7 @@ signature KEY = sig type key - val ord: key * key -> order + val ord: key ord end; signature TABLE =