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-rw-r--r--lisp/emacs-lisp/eieio-opt.el2
1 files changed, 1 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/eieio-opt.el b/lisp/emacs-lisp/eieio-opt.el
index a502901a469..ca9b91bed58 100644
--- a/lisp/emacs-lisp/eieio-opt.el
+++ b/lisp/emacs-lisp/eieio-opt.el
@@ -141,7 +141,7 @@ If CLASS is actually an object, then also display current values of that object.
(insert " " (aref type counter) " "
(prin1-to-string (car cur) (current-buffer))
"\n"
- (cdr cur)))
+ (or (cdr cur) "")))
(setq counter (1+ counter))))
(insert "\n\n")
(setq methods (cdr methods))))))