(bookmark-jump): Nice error if BOOKMARK is nil.

diff --git a/lisp/bookmark.el b/lisp/bookmark.el
index b25c261c1e79eab71df950287a5a6fe1072bf322..949434baffbe71bbe11905d5d3ddce06bbd1c80f 100644 (file)
--- a/lisp/bookmark.el
+++ b/lisp/bookmark.el
@@ -1049,6 +1049,8 @@ of the old one in the permanent bookmark record."
   (interactive
    (list (bookmark-completing-read "Jump to bookmark"
                                   bookmark-current-bookmark)))
+  (unless bookmark
+    (error "No bookmark specified"))
   (bookmark-maybe-historicize-string bookmark)
   (let ((cell (bookmark-jump-noselect bookmark)))
     (and cell