diff -r fbb3c68a8d3c -r 4f9f61f9b535 src/HOL/MicroJava/J/JListExample.thy
--- a/src/HOL/MicroJava/J/JListExample.thy	Fri Feb 17 11:24:39 2012 +0100
+++ b/src/HOL/MicroJava/J/JListExample.thy	Fri Feb 17 15:42:26 2012 +0100
@@ -8,7 +8,7 @@
 imports Eval
 begin
 
-declare [[syntax_ambiguity = ignore]]
+declare [[syntax_ambiguity_warning = false]]
 
 consts
   list_nam :: cnam