1.1 --- a/docs/optimisations.txt	Thu Jun 28 22:58:02 2012 +0200
     1.2 +++ b/docs/optimisations.txt	Fri Jun 29 01:11:02 2012 +0200
     1.3 @@ -36,6 +36,11 @@
     1.4  
     1.5      In the above, this_module is a reference to the current module.
     1.6  
     1.7 +    Where assignments to module attributes are permitted from outside a
     1.8 +    module, modules can no longer be relied upon to provide constant attribute
     1.9 +    values, even if a cursory inspection of module-level code would suggest
    1.10 +    that some attributes are effectively constant.
    1.11 +
    1.12   2. For classes, "safety" is enforced by ensuring that assignments to class
    1.13      attributes are only permitted within the class definition, outside
    1.14      methods. This would mean that classes would be "sealed" at definition time