Mon Jan  4 01:03:10 UTC 2010  pix@kepibu.org
  * Make subjects-of use subjects-in-list
diff -rN -u old-Oh, Ducks!/selectors.lisp new-Oh, Ducks!/selectors.lisp
--- old-Oh, Ducks!/selectors.lisp	2015-11-01 16:47:16.000000000 +0000
+++ new-Oh, Ducks!/selectors.lisp	2015-11-01 16:47:16.000000000 +0000
@@ -104,15 +104,10 @@
           (mapcar (curry #'subjects-of selector)
                   element-list)))
 
-(defgeneric subjects-of (selector element)
-  (:method (selector (element t))
-    (flet ((find-in-list (elements)
-             (mapcar (curry #'subjects-of selector)
-                     elements)))
-      (nconc
-       (when (element-matches-p element selector) (list element))
-       (reduce #'nconc
-               (find-in-list (element-children element)))))))
+(defun subjects-of (selector element)
+  (nconc
+   (when (element-matches-p element selector) (list element))
+   (subjects-in-list selector (element-children element))))
 
 (defgeneric element-matches-p (element selector))