I want to give priority of a class' hierarchy's bindings over that of  
(self environment) when the latter defaults to the Smalltalk global  
dictionary (as is the case today in most images).

Attached is a patch which supports SharedPool as it was introduced in

-  
http://lists.squeakfoundation.org/pipermail/squeak-dev/2003-May/058391.html

But with the patch the scope of global variables is now as follows:

1] classPool
2] sharedPools
3] environment if ~~ Smalltalk
4] superclass
5] Smalltalk (or equivalently, nil environment)

Without the patch and as is today, item 5] takes precedence over the  
superclass hierarchy item 4] whenever (aClass environment == Smalltalk) is  
the default. With the patch inheritance has priority. It can for example  
be made possible to "shadow" any global variable by using a SharedPool and  
class initialization code, and that is now inherited.

Feedback is appreciated; also if you want see the patch in the next  
release.

/Klaus
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