1.1 --- a/TO_DO.txt	Sun Jun 27 20:55:48 2010 +0200
     1.2 +++ b/TO_DO.txt	Sun Jun 27 21:26:13 2010 +0200
     1.3 @@ -1,3 +1,7 @@
     1.4 +Consider references to defaults as occurring only within the context of a particular
     1.5 +function, thus eliminating default value classes if such functions are not themselves
     1.6 +invoked.
     1.7 +
     1.8  Consider labelling _scope on assignments and dealing with the assignment of removed
     1.9  attributes, possibly removing the entire assignment, and distinguishing between such cases
    1.10  and unknown names.
    1.11 @@ -18,7 +22,9 @@
    1.12  Check context_value initialisation (avoiding or handling None effectively).
    1.13  
    1.14  __getitem__ could be written in Python, using a native method only to access fragments.
    1.15 +
    1.16  Support slicing.
    1.17 +
    1.18  Consider better "macro" support where new expressions need to be generated and processed.
    1.19  
    1.20  **** Constant attribute users need not maintain usage since they are already resolved. ****