fixes, enhancements, and more update-to-latest-ucw stuff. minor, all of it.

[clinton/lisp-on-lines.git] / src / mewa.lisp

diff --git a/src/mewa.lisp b/src/mewa.lisp
index 203fdf3..1dea1fe 100644 (file)
--- a/src/mewa.lisp
+++ b/src/mewa.lisp
@@ -57,9 +57,11 @@ Attributes are the metadata used to display, validate, and otherwise manipulate
   (setf (attribute-map occurence) (make-hash-table)))
 
 (defgeneric find-occurence (name)
   (setf (attribute-map occurence) (make-hash-table)))
 
 (defgeneric find-occurence (name)

+  (:method (thing)
+    nil)

   (:method ((name symbol))
     (find-or-create-occurence name))
   (:method ((name symbol))
     (find-or-create-occurence name))

-  (:method (instance)
+  (:method ((instance standard-object))

     (find-or-create-occurence (class-name (class-of instance)))))
 
 
     (find-or-create-occurence (class-name (class-of instance)))))