diff -r 4c54ef4dc84d -r 0fea8b7a14a1 ProgTutorial/FirstSteps.ML
--- a/ProgTutorial/FirstSteps.ML	Mon Oct 12 17:07:17 2009 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,5 +0,0 @@
-(* *)
-
-open_file_prelude 
-"FirstSteps_Code.thy"
-(cat_lines ["theory FirstSteps", "imports Base", "begin"])
\ No newline at end of file