--- slime.el	2004-06-19 18:09:46.000000000 +0100
+++ /home/rmmp/system/slime/slime.el	2004-06-19 18:13:18.000000000 +0100
@@ -954,9 +954,10 @@
      (prog1 (with-current-buffer standard-output ,@body)
        (with-current-buffer standard-output
          (setq slime-buffer-connection connection)
-         (set (make-local-variable 
-               'slime-temp-buffer-saved-window-configuration)
-              ,config)
+         (when (not slime-temp-buffer-saved-window-configuration)
+           (set (make-local-variable
+                 'slime-temp-buffer-saved-window-configuration)
+                ,config))
          (goto-char (point-min))
          (slime-mode 1)
          (set-syntax-table lisp-mode-syntax-table)