diff --git a/tests.cpp b/tests.cpp
index b5b98652f..1e1a2a946 100644
--- a/tests.cpp
+++ b/tests.cpp
@@ -29,6 +29,7 @@ static void operator_eq();
 static void memleak_in_function();
 static void memleak_in_class();
 static void division();
+static void unused_variable();
 //---------------------------------------------------------------------------
 
 int main()
@@ -60,6 +61,9 @@ int main()
     // Check for dangerous division.. such as "svar / uvar". Treating "svar" as unsigned data is not good
     division();
 
+    // unused variable..
+    unused_variable();
+
     std::cout << "Success Rate: " 
               << SuccessCount 
               << " / " 
@@ -693,3 +697,22 @@ static void division()
 
 }
 //---------------------------------------------------------------------------
+
+static void unused_variable()
+{
+    // Unused private member variable...
+    const char test1[] = "class Fred\n"
+                         "{\n"
+                         "private:\n"
+                         "    int i;\n"
+                         "public:\n"
+                         "    Fred();\n"
+                         "};\n"
+                         "Fred::Fred()\n"
+                         "{\n"
+                         "    i = 0;\n"
+                         "}\n";
+
+
+}
+
diff --git a/todo.txt b/todo.txt
new file mode 100644
index 000000000..f09fd8b18
--- /dev/null
+++ b/todo.txt
@@ -0,0 +1,31 @@
+
+
+Userdefined types
+
+  I think this needs to be handled better.
+
+
+
+
+Unused function / variable
+
+  If the user provides "--recursive" there should be
+  warnings for unused functions and variables.
+
+  Check if all members in the public section of a class
+  are used externally.
+
+
+
+
+Dead pointers
+
+  Check for dead pointers
+
+
+
+Buffer overruns
+
+  When writing to struct members
+
+