(custom-declare-variable): Use copy-sequence, not copy-list.

diff --git a/lisp/custom.el b/lisp/custom.el
index 3b77cc2330564b6c4149542705060df1b85472f2..afa5b20ca2160b55999d5dd88566624e6b1ab671 100644 (file)
--- a/lisp/custom.el
+++ b/lisp/custom.el
@@ -81,7 +81,7 @@
                             (custom-add-option symbol option))
                           value)
                 ;; Fast code for the common case.
-                (put symbol 'custom-options (copy-list value))))
+                (put symbol 'custom-options (copy-sequence value))))
              (t
               (custom-handle-keyword symbol keyword value
                                      'custom-variable))))))