diff -r d72ca5742f80 -r c0eafbd55de3 src/HOL/Algebra/Ring.thy
--- a/src/HOL/Algebra/Ring.thy	Wed Aug 22 22:47:16 2012 +0200
+++ b/src/HOL/Algebra/Ring.thy	Wed Aug 22 22:55:41 2012 +0200
@@ -5,7 +5,6 @@
 
 theory Ring
 imports FiniteProduct
-uses ("ringsimp.ML")
 begin
 
 section {* The Algebraic Hierarchy of Rings *}
@@ -389,7 +388,7 @@
 text {* Setup algebra method:
   compute distributive normal form in locale contexts *}
 
-use "ringsimp.ML"
+ML_file "ringsimp.ML"
 
 setup Algebra.attrib_setup