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From: kerry@ADS.COM (Kerry Koitzsch)
Newsgroups: comp.lang.clos
Subject: MAKE-LOAD-FORM and SAVE-OBJECT
Summary: Builtin-classes cause problems
Keywords: defmethod, built-in classes, PCL/clos differences
Message-ID: <X__*^G&@ads.com>
Date: 8 May 91 23:40:28 GMT
Sender: usenet@ads.com (USENET News)
Organization: Advanced Decision Systems
Lines: 14


  Theres another unfortunate thing about using methods to
define the 'creation form' for LISP objects: the older PCLs
don't let you define methods on all LISP objects! Hash table
specialization only appeared recently.

The current MOP specifiaction has some other problematic points, too:
primarily being unable to say (give-me-your-metaclass (find-class 'some-class)), or is there a way? i havent been able to find it....

The other big ???? was, for me, where the class-allocated slot values get
saved out TO? In the class object, supposedly, but how?

Maybe we'll have to wait for CLtL3.... 
kerry