user-defined methods on SLOT-BOUNDP-USING-CLASS and (SETF
SLOT-VALUE-USING-CLASS), and no longer causes errors with
non-standard SLOT-DEFINITION-ALLOCATION values.
user-defined methods on SLOT-BOUNDP-USING-CLASS and (SETF
SLOT-VALUE-USING-CLASS), and no longer causes errors with
non-standard SLOT-DEFINITION-ALLOCATION values.