generalized lvalues -- patch outline

[Joe Buck]

On Mon, Nov 22, 2004 at 01:23:22PM -0800, Matt Austern wrote:
> Unfortunately, there is another reason for allowing some tamed version 
> of assignment to casts: compatibility with other compilers.  Microsoft 
> and CodeWarrior both allow this in one form or another.  (Microsoft for 
> C only, CodeWarrior for C++ as well.  CodeWarrior only allows some 
> limited forms of assignments to casts, and doesn't treat a cast as a 
> true lvalue, so they still get overload resolution right.)

Does CodeWarrior document the semantics of their extension?