diff -ru saxon/src/net/sf/saxon/expr/UserFunctionCall.java saxon-patched/src/net/sf/saxon/expr/UserFunctionCall.java
--- saxon/src/net/sf/saxon/expr/UserFunctionCall.java	2005-03-21 13:46:38.000000000 -0500
+++ saxon-patched/src/net/sf/saxon/expr/UserFunctionCall.java	2005-06-29 20:13:47.000000000 -0400
@@ -401,8 +401,8 @@
          */
 
         public Object map(Item item, XPathContext context) throws XPathException {
-            if (item instanceof FunctionCallPackage) {
-                return (((FunctionCallPackage)item).iterateResults(context));
+            if (item instanceof UserFunctionCall.FunctionCallPackage) {
+                return (((UserFunctionCall.FunctionCallPackage)item).iterateResults(context));
             } else {
                 return item;
             }