diff -r 56e3520b68b2 -r f6b592f2aca4 src/Tools/Code/code_scala.ML
--- a/src/Tools/Code/code_scala.ML	Wed Jun 30 17:12:38 2010 +0200
+++ b/src/Tools/Code/code_scala.ML	Thu Jul 01 08:12:40 2010 +0200
@@ -376,7 +376,7 @@
           | _ => (Path.ext "scala" o Path.explode o implode o separate "/"
                 o Long_Name.explode) modlname;
         val pathname = Path.append destination filename;
-        val _ = File.mkdir_leaf (Path.dir pathname);
+        val _ = File.mkdir (Path.dir pathname);
       in File.write pathname (code_of_pretty content) end
   in
     Code_Target.mk_serialization target NONE