--- a/ProgTutorial/Intro.thy Mon Oct 19 02:02:21 2009 +0200
+++ b/ProgTutorial/Intro.thy Mon Oct 19 14:10:42 2009 +0200
@@ -25,7 +25,8 @@
\medskip
If your next project requires you to program on the ML-level of Isabelle,
then this tutorial is for you. It will guide you through the first steps of
- Isabelle programming, and also explain tricks of the trade. The best way to
+ Isabelle programming, and also explain tricks of the trade. We also hope
+ the tutorial will encourage researchers to play with Isabelle. The best way to
get to know the ML-level of Isabelle is by experimenting with the many code
examples included in the tutorial. The code is as far as possible checked
against the Isabelle distribution.\footnote{\input{version}} If something does not work,