delete-overlay is called delete-extent in xemacs.

src/ChangeLog

+2002-07-24  Johan Sundstrm  <jhs@lysator.liu.se>
+
+	* lyskom-rest.el (lyskom-limited-make-overlay): XEmacs compat fix.
+
 2002-07-23  David Byers  <david.byers@swipnet.se>
 
 	* lyskom-rest.el (lyskom-limited-make-overlay): New function

src/lyskom-rest.el

@@ -1188,7 +1188,9 @@ Args: FORMAT-STRING &rest ARGS"
             (lyskom-nbutlast lyskom-overlay-pool 
                              (- (length lyskom-overlay-pool)
                                 kom-max-overlays)))
-      (mapcar 'delete-overlay old))
+      (mapcar
+       (lambda (o) (lyskom-xemacs-or-gnu (delete-extent o)
+					 (delete-overlay o))) old))
     (setq lyskom-overlay-pool (cons val lyskom-overlay-pool)))
   val))