Added decorator diagram scope

tests/t00028/t00028.cc

@@ -13,7 +13,7 @@ class B {
 };
 
 ///
-/// @clanguml{note[bottom] C class note.}
+/// @clanguml{note:t00028_class[bottom] C class note.}
 /// This is class C.
 class C {
 };
@@ -30,6 +30,10 @@ template <typename T> class E {
     T param;
 };
 
+/// \clanguml{note:other_diagram[left] G class note.}
+class G {
+};
+
 /// @clanguml{note[ bottom ] F enum note.}
 enum class F { one, two, three };
 
@@ -44,6 +48,8 @@ class R {
     std::vector<std::shared_ptr<D>> ddd;
 
     E<int> eee;
+
+    G **ggg;
 };
 
 } // namespace t00028