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authorBob Rogers <rogers@rgrjr.dyndns.org>2011-03-03 21:16:56 -0800
committerGlenn Morris <rgm@gnu.org>2011-03-03 21:16:56 -0800
commita918ed9b8ec6fcfc3e88747b07651549cdbe1e32 (patch)
treec6c9ff1a5d85cc63aaeb66dfcd0ca465533a38e4 /lisp/emacs-lisp/ewoc.el
parent35fee6ce58661a1d32e995f1dac5a49d8d824fa1 (diff)
downloademacs-a918ed9b8ec6fcfc3e88747b07651549cdbe1e32.tar.gz
Minor ewoc fix for bug#3261.
* lisp/emacs-lisp/ewoc.el (ewoc-goto-next): Give a more explicit error if there is no node.
Diffstat (limited to 'lisp/emacs-lisp/ewoc.el')
-rw-r--r--lisp/emacs-lisp/ewoc.el2
1 files changed, 2 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/ewoc.el b/lisp/emacs-lisp/ewoc.el
index bf9998695ee..a71f3c7244c 100644
--- a/lisp/emacs-lisp/ewoc.el
+++ b/lisp/emacs-lisp/ewoc.el
@@ -495,6 +495,8 @@ Return the node (or nil if we just passed the last node)."
;; Never step below the first element.
;; (unless (ewoc--filter-hf-nodes ewoc node)
;; (setq node (ewoc--node-nth dll -2)))
+ (unless node
+ (error "No next"))
(ewoc-goto-node ewoc node)))
(defun ewoc-goto-node (ewoc node)