+2003-07-09  Jesper Harder  <harder@ifa.au.dk>
+
+       * mail-source.el (mail-source-movemail): Handle non-numerical
+       return values.
+
 2003-07-08  Jesper Harder  <harder@ifa.au.dk>
 
        * mailcap.el (mailcap-parse-args-syntax-table)
 
                (set-file-modes to mail-source-default-file-modes))
              (if (and (or (not (buffer-modified-p errors))
                           (zerop (buffer-size errors)))
-                      (zerop result))
+                      (and (numberp result)
+                           (zerop result)))
                  ;; No output => movemail won.
                  t
                (set-buffer errors)