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diff --git a/Examples/test-suite/nested.i b/Examples/test-suite/nested.i
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+++ b/Examples/test-suite/nested.i
@@ -0,0 +1,33 @@
+/* 
+This testcase tests that nested structs/unions work. Named structs/unions declared within
+a struct produced redefinition errors in SWIG 1.3.6 as reported by SF bug #447488.
+Also tests reported error when a #define placed in a deeply embedded struct/union.
+*/
+
+%module nested
+
+%inline %{
+
+struct TestStruct {
+  int a;
+};
+
+typedef struct OuterStruct {
+  union {
+
+    struct outer_nested_struct {
+      union inner_nested_union {
+#define BAD_STYLE 1
+        int red;
+        struct TestStruct green;
+      } InnerNestedUnion;
+
+      struct inner_nested_struct {
+        int blue;
+      } InnerNestedStruct;
+    } OuterNestedStruct;
+
+  } EmbeddedUnion;
+} OuterStruct;
+
+%}