Klaus,

Thanks for the kind reply!

> What I always liked are the paragraphs between "Inside every large program  
> there is a small program trying to get out. ?C.A.R. HOARE" and "In  
> class-based object-oriented systems, partial implementation is usually  
> supported in the form of abstract classes." in the paper linked below.
> 
> What I mean is the emphasis on partial, incomplete implementation, made  
> possible by late binding, a valuable tool for incremental development and  
> maintenance.
> 
>> > Is anybody aware of some nuggets out there? I would be grateful for
>> > any hint + your thoughts when looking at your languages' history ...
> 
> Perhaps there are some nuggets in the paper from which the above was cited,
> 
> - http://portal.acm.org/citation.cfm?id=243439.243441

The paper is indeed an excellent reference, unfortunately
it does not offer too much of Smalltalk-specific insights!

Thanks again,

//stefan