diff -r 5c33c4b52ad7 -r 1d1e795bc3ad ProgTutorial/Intro.thy
--- a/ProgTutorial/Intro.thy	Thu Apr 07 00:25:26 2011 +0100
+++ b/ProgTutorial/Intro.thy	Tue May 17 18:11:21 2011 +0100
@@ -290,7 +290,7 @@
   
   This document (version \input{tip}\hspace{-0.5ex}) was compiled with:\\
   \input{version}\\
-  \input{pversion}
+  %%\input{pversion}
 *}
 
 end