Do not overwrite preexisting contents of unread-command-events

[gnus] / lisp / mail-source.el

diff --git a/lisp/mail-source.el b/lisp/mail-source.el
index eb05d71..94c8950 100644 (file)
--- a/lisp/mail-source.el
+++ b/lisp/mail-source.el
@@ -750,13 +750,16 @@ Deleting old (> %s day(s)) incoming mail file `%s'." diff bfile)
       (setq script (substring script 0 (match-beginning 0))
            background 0))
     (setq result
-         (call-process shell-file-name nil background nil
+         (call-process shell-file-name nil stderr nil
                        shell-command-switch script))
-    (when (and result
-              (not (zerop result)))
-      (set-buffer stderr)
-      (message "Mail source error: %s" (buffer-string)))
-    (kill-buffer stderr)))
+    (if (and result
+             (not (zerop result)))
+        (progn
+          (split-window-vertically)
+          (other-window 1)
+          (switch-to-buffer stderr)
+          (message "Mail source error: %s " (buffer-string)))
+      (kill-buffer stderr))))
 
 ;;;
 ;;; Different fetchers