diff -r 358f325f4db6 -r e0049c842785 ProgTutorial/Intro.thy
--- a/ProgTutorial/Intro.thy	Tue Jun 23 04:05:01 2009 +0200
+++ b/ProgTutorial/Intro.thy	Wed Jun 24 15:58:59 2009 +0200
@@ -141,6 +141,12 @@
   \end{itemize}
 *}
 
+section {* Aaaaargh! My Code Does not Work Anymore (TBD) *}
+
+text {*
+  
+*}
+
 section {* Acknowledgements *}
 
 text {*