diff -r fef1df4268d6 -r be4d203d35b3 src/HOL/Hoare_Parallel/Mul_Gar_Coll.thy
--- a/src/HOL/Hoare_Parallel/Mul_Gar_Coll.thy	Sun Nov 02 17:27:22 2014 +0100
+++ b/src/HOL/Hoare_Parallel/Mul_Gar_Coll.thy	Sun Nov 02 17:36:52 2014 +0100
@@ -1,5 +1,4 @@
-
-header {* \section{The Multi-Mutator Case} *}
+section {* The Multi-Mutator Case *}
 
 theory Mul_Gar_Coll imports Graph OG_Syntax begin