[Emacs-diffs] Changes to emacs/lisp/gnus/gnus-sum.el

[Miles Bader]

Index: emacs/lisp/gnus/gnus-sum.el
diff -u emacs/lisp/gnus/gnus-sum.el:1.76 emacs/lisp/gnus/gnus-sum.el:1.77
--- emacs/lisp/gnus/gnus-sum.el:1.76    Tue Jan 17 02:39:38 2006
+++ emacs/lisp/gnus/gnus-sum.el Tue Feb 28 00:38:34 2006
@@ -6452,10 +6452,12 @@
          (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
          (setq read (cdr read)))))
     ;; And add the last unread articles.
-    (cond ((< first last)
-           (push (cons first last) unread))
-          ((= first last)
-           (push first unread)))
+    (cond ((not (and first last))
+          nil)
+         ((< first last)
+          (push (cons first last) unread))
+         ((= first last)
+          (push first unread)))
     ;; Return the sequence of unread articles.
     (delq 0 (nreverse unread))))