diff -r 7e51c9f3d5a0 -r a5f86aed785b doc-src/TutorialI/Misc/ROOT.ML
--- a/doc-src/TutorialI/Misc/ROOT.ML	Tue Aug 29 15:13:10 2000 +0200
+++ b/doc-src/TutorialI/Misc/ROOT.ML	Tue Aug 29 15:43:29 2000 +0200
@@ -1,6 +1,5 @@
 use_thy "Tree";
 use_thy "Tree2";
-use_thy "cases";
 use_thy "case_exprs";
 use_thy "fakenat";
 use_thy "natsum";