src/HOL/UNITY/Comp/Counterc.thy
changeset 63146 f1ecba0272f9
parent 58889 5b7a9633cfa8
--- a/src/HOL/UNITY/Comp/Counterc.thy	Wed May 25 11:49:40 2016 +0200
+++ b/src/HOL/UNITY/Comp/Counterc.thy	Wed May 25 11:50:58 2016 +0200
@@ -11,7 +11,7 @@
    Spriner LNCS 1586 (1999), pages 1215-1227.
 *)
 
-section{*A Family of Similar Counters: Version with Compatibility*}
+section\<open>A Family of Similar Counters: Version with Compatibility\<close>
 
 theory Counterc imports "../UNITY_Main" begin