+; (<:as-html " " description "Layer Active?: " (layer-active-p (defining-description 'maxclaims::link-to-viewer)))
+ (dletf (((described-object description) object))
+ (flet ((do-display ()
+ (contextl::funcall-with-special-initargs
+ (loop
+ :for (key val) :on args :by #'cddr
+ :collect (list (find key (description-attributes description)
+ :key #'attribute-keyword)
+ :value val))
+ (lambda ()
+ (contextl::funcall-with-special-initargs
+ (let ((attribute (ignore-errors (find-attribute description 'active-attributes))))
+ (when attribute
+ (loop for spec in (attribute-value attribute)
+ if (listp spec)
+ collect (cons (or
+ (find-attribute description (car spec))
+ (error "No attribute matching ~A" (car spec)))
+ (cdr spec)))))
+ (lambda () (call-next-method)))))))
+ (funcall-with-layer-context
+ (modify-layer-context
+ (if (standard-description-p description)
+ (adjoin-layer description (current-layer-context))
+ (current-layer-context))
+ :activate (description-active-descriptions description)
+ :deactivate (description-inactive-descriptions description))
+ (function do-display))))))
+