--- a/src/HOL/IMPP/Misc.thy Thu May 26 16:57:14 2016 +0200
+++ b/src/HOL/IMPP/Misc.thy Thu May 26 17:51:22 2016 +0200
@@ -2,7 +2,7 @@
Author: David von Oheimb, TUM
*)
-section {* Several examples for Hoare logic *}
+section \<open>Several examples for Hoare logic\<close>
theory Misc
imports Hoare