[Emacs-diffs] /srv/bzr/emacs/trunk r103509: Minor ewoc fix for bug#3261.

[Glenn Morris]

------------------------------------------------------------
revno: 103509
author: Bob Rogers <address@hidden>
committer: Glenn Morris <address@hidden>
branch nick: trunk
timestamp: Thu 2011-03-03 21:16:56 -0800
message:
  Minor ewoc fix for bug#3261.
  
  * lisp/emacs-lisp/ewoc.el (ewoc-goto-next): Give a more explicit error
  if there is no node.
modified:
  lisp/ChangeLog
  lisp/emacs-lisp/ewoc.el

=== modified file 'lisp/ChangeLog'
--- a/lisp/ChangeLog    2011-03-04 05:00:40 +0000
+++ b/lisp/ChangeLog    2011-03-04 05:16:56 +0000
@@ -1,3 +1,8 @@
+2011-03-04  Bob Rogers  <address@hidden>
+
+       * emacs-lisp/ewoc.el (ewoc-goto-next): Give a more explicit error
+       if there is no node.  (Bug#3261)
+
 2011-03-04  Leo  <address@hidden>
 
        * time.el (display-time-world-list): Fix typo.  (Bug#7571)

=== modified file 'lisp/emacs-lisp/ewoc.el'
--- a/lisp/emacs-lisp/ewoc.el   2011-01-25 04:08:28 +0000
+++ b/lisp/emacs-lisp/ewoc.el   2011-03-04 05:16:56 +0000
@@ -495,6 +495,8 @@
     ;; 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)