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src/HOL/Tools/Ctr_Sugar/ctr_sugar.ML
changeset 74561 8e6c973003c8
parent 74383 107941e8fa01
child 78095 bc42c074e58f 
--- a/src/HOL/Tools/Ctr_Sugar/ctr_sugar.ML	Wed Oct 20 17:11:46 2021 +0200
+++ b/src/HOL/Tools/Ctr_Sugar/ctr_sugar.ML	Wed Oct 20 18:13:17 2021 +0200
@@ -179,7 +179,6 @@
 (
   type T = (Position.T * ctr_sugar) Symtab.table;
   val empty = Symtab.empty;
-  val extend = I;
   fun merge data : T = Symtab.merge (K true) data;
 );
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