diff -r c090baa7059d -r 8b8db9558ecf thys/Re.thy
--- a/thys/Re.thy	Mon Feb 11 23:18:05 2019 +0000
+++ b/thys/Re.thy	Sun Feb 17 22:15:06 2019 +0000
@@ -5,7 +5,7 @@
 
 
 section {* Sequential Composition of Sets *}
-m
+
 definition
   Sequ :: "string set \<Rightarrow> string set \<Rightarrow> string set" ("_ ;; _" [100,100] 100)
 where