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From: Wolfgang Ziller <wziller@math.upenn.edu>
Newsgroups: comp.lang.beta
Subject: Re: Adding methods without renaming the class
Date: 26 Dec 1995 15:48:35 GMT
Organization: University of Pennsylvania
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eernst@fraxinus.daimi.aau.dk (Erik Ernst) wrote:

>I've neither experienced nor heard of such a limitation (ever).  The
>
>   myClass: (# <<slot myClassLib: attributes>> ... #);
>
>method has worked just fine for at least five years, and probable long
>before that.  But there is a limitation (could that be what you've
>read about?): You cannot add _substance_ to the instances of a pattern
>through an attribute slot...

OK, that's what the attributes vs. attributeDecl thing was 
about.  Thanks for the clairification.