diff --git a/TODO b/TODO
index 0c86743..e88367a 100644
--- a/TODO
+++ b/TODO
@@ -1,4 +1,5 @@
 # Todolist
 
-* Improve fix recognition
-* More flexible expression parsing
+* Improve fix recognition (DONE)
+* More flexible expression parsing (DONE)
+* bug: expression can't handle -(-2)
diff --git a/expression.py b/expression.py
index 9164709..428cbfc 100644
--- a/expression.py
+++ b/expression.py
@@ -360,6 +360,10 @@ if __name__ == '__main__':
     exp="-2*4(12 + 1)(3-12)"
     test(exp)
 
+    ## Can't handle it yet!!
+    #exp="-(-2)"
+    #test(exp)
+
     import doctest
     doctest.testmod()