Index: builtins.c
===================================================================
--- builtins.c	(revision 47366)
+++ builtins.c	(working copy)
@@ -1659,7 +1659,9 @@
     FRAME       inner[1];
     LIST    *result;
     PARSE   *p;
+    PyObject *python_result;
     char*  rulename;
+    int i;
 
     /* Build up the list of arg lists */
 
@@ -1709,9 +1711,14 @@
     result = evaluate_rule( rulename, inner );
 
     frame_free( inner );
+    
+    python_result = PyList_New(list_length(result));
+    for (i = 0; result; result = list_next(result), ++i)
+        PyList_SetItem(python_result, i, PyString_FromString(result->string));
 
-    Py_INCREF(Py_None);
-    return Py_None;
+    list_free(result);
+
+    return python_result;
 }
 
 /** Accepts three arguments: module name, rule name and Python callable.